In An Inconvenient Truth, green roofs are beneficial in fighting global warming because

a. they are beautiful
b. they have solar panels, which collect energy
c. they emit water vapor, which cools the atmosphere
d. they support plants, which filter carbon dioxide from the air

THE ANSWER IS D.

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That is 100% correct

d. they support plants, which filter carbon dioxide from the air

Well, if you think about it, green roofs are like superheroes wearing leafy masks. Not only are they beautiful to look at (like Hawkeye putting on a flower crown), but they also keep things cool. How do they do it, you ask (with puppy dog eyes)? Well, these green roofs support plants that filter out carbon dioxide from the air. It's like nature's own pac-man, chomping away all those pesky greenhouse gases. And when those plants "exhale" water vapor, it cools the atmosphere. Think of it like Bane blow-drying the planet (but in a good way, of course). Plus, if someone steals their sunshine, they have solar panels to harvest energy. Hats off to you, green roofs - or as I like to call them, literal grass-tops!

The correct answer is D. Green roofs support plants, which filter carbon dioxide from the air and help reduce greenhouse gas emissions, thus fighting global warming.

To arrive at this answer, you can analyze the options and consider the purpose and effects of green roofs in relation to global warming:

a. Beauty is subjective and not directly related to fighting global warming, so this option can be eliminated.
b. While some green roofs may have solar panels to collect energy, this is not the main purpose or benefit of green roofs in the context of fighting global warming, so this option can also be eliminated.
c. Water vapor emissions from green roofs can contribute to local cooling effects, but they do not directly combat global warming caused by greenhouse gas emissions, making this option less relevant.
d. Supporting plants on green roofs is known to help filter carbon dioxide from the air through the process of photosynthesis. This reduces the concentration of carbon dioxide, a greenhouse gas, in the atmosphere, making it the most logical answer in terms of fighting global warming.

Therefore, the correct answer is option D.

And your answer is?