I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
Answer:
True, Chinese were about 2500 years later
Explanation:
The Chief Justice who wrote the decision in Brown v. Board of Education was Chief Justice Earl Warren.