Answer:
b or c i think. at least thats what i read
Answer:
There is overwhelming evidence that human activities, especially burning fossil fuels, are leading to increased levels of carbon dioxide and other greenhouse gases in the atmosphere, which in turn amplify the natural greenhouse effect, causing the temperature of the Earth's atmosphere, ocean.
Earths biosphere is where you and me live. it is where everything on earth lives. its right above the crust.
