Question

Which is the best evidence that humans might be contributing to climate change?

A
It is hotter at the poles than ever before in recorded history
B
Scientists think that we should be in an ice age
C
The amount of carbon dioxide is higher since the start of the Industrial Revolution and the start of massive amounts of fossil fuel usage
D
Species have never went extinct before the Industrial Revolution

Answer 1

The answer is C because, B couldn't happen cause if there wasn't a ice age we wouldn't be alive cause, that means dinosaurs would still exist.So the answer is C.

Answer 2

Its A. Because of global warming.