........ refers to rain which contains large amounts of harmful chemicals as a result of burning substances such as coal and oil.

.......... refers to being able to decay naturally and harmlessly

........... refers to the number and variety of plant and animal species that exist in a particular environmental area or in the world generally, or the problem of preserving and protecting this.

A strong, unpleasant and sometimes dangerous gas or smoke.

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….

Oil is perhaps the ……1…… of all ……2……. However, a major difficulty in its …3…….. is that oil …4……. Are very often found below the sea ………5…….. As a result, the search for oil is very ……6……… and unless oil is found there in ………7…. quantities the …………8….. or government involved are ……9……. To lose heavily. Therefore, before ……10……. Starts, extensive ……11……. Are carried out to see how much oil, or ………12………gas the rock formation is likely to ……13…. If the results are favorable, an oil ……14…… is towed into position. The rig consists of a main ……15……. On which the men work and a derrick which supports the drill. This drill goes down thousands of feet until oil or a ……16…… of gas is reached.

The next ……17…. Is to transport the gas or oil to the shore. In the case of gas, this is normally done by laying a ……18………… below the sea, but oil on reaching the top of the well is more transported in its ………19…… state by ……20… On shore it is …21…… into different fuels or it is chemically to turn into a ……22……. of Materials such as …23………….