I don't know if their is sopposed to be options but my best educated guess is "Natural"
The process is known as the greenhouse gasses effect
The answer is D. Schist because it is an igneous rock, it could be found in a volcano.
Answer:
<em>The correct option is C) Continental shelves</em>
Explanation:
The continental shelf can be described as a part of a continent which is submerged in shallow water. This shallow water is known as a shelf. Hence, the name continental shelves.
Rich deposits of oil and natural gas can be present in this part of the sea. The continental shelves are of extreme commercial significance and are a commercial site for exploitation. The continental shelves can be rich in metallic and non- metallic ores and hydrocarbon products.