4. What is the central or main idea of Churchill's last five paragraphs? Highlight supporting
details that help identify his central idea. State the central idea, and write a summary of the
paragraphs

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste