In the first sentence, the phrase " whats called the greenhouse effect presents a/an.?

Question

Scientists generally agree that the earth is getting warmer due to whats called the green house effect. A greenhouse used for plants stays warmer because sunlight and heat coming through the glass roof are mostly trapped. The heat doesn't radiate back into the atmosphere because its partly trapped by the glass. Something like that happens on Earth. The atmosphere acts like a blanket that keeps th Suns heat from leaking away into space.

A. bias

B. cause

C. illustration

D. effect

Answer 1

d. effect because in that sentence,you can see the word "because" which means the word or sentence after that are the reasons while the remaining word are the effect.

Answer 2

B. Cause. (due to)

Put another way: Scientists generally agree that the increased warming of the earth is caused by the 'greenhouse effect'.

The rest is just a descriptive comparison.

Answer 3

d?