Magma is really hot. Melting everything and anything almost.
C. Regolith
Two major problems associated with petroleum products are the environmental hazards associated with its extraction from the earth and also the environmental impact of its burning which emits greenhouse gases into the atmosphere which has been shown to cause global warming and climate change.
After two half-lives theres only going to be 25% of the original isotope, 75% of the decay product.
Answer: C. Region B
Explanation:
Region B is the North American continent which includes the United States. Land here is quite fertile and resources are plentiful as the continent boasts of vast farmlands, timber and an abundance of coal.
The people of this continent therefore need not import a lot of things. They do however have to import oil. Even though there are rich oil deposits present, these are sometimes quite expensive to extract which is why the region needs to import some of the oil that its people need.