1ST TO ANSWER WILL GET BRAINLIEST
1) The controversy over climate change is ongoing in the United States. 2) While nearly all scientists accept climate change as a reality, a large percentage of citizens remain skeptical, despite the evidence from ice core samples. 3) the evidence these samples provide points to a consistently increasing level of carbon dioxide in the atmosphere.

Which sentence if placed between sentence 2 and 3 would most improve the clarity of the paragraph?

A. These are samples of ice taken in Antarctica, providing a snapshot of the earth's atmospheric conditions for many thousands of years.
B. The number of skeptical citizens is steadily diminishing now that ice core samples have been used to prove climate change is a reality
C. Other citizens disagree with the scientists supporting climate change
D. For example, there have been many hot summers on recent record and winter appear milder than in previous years