Answer 12. in an inconvenient truth, an increase in greenhouse gases is dangerous because a. they trap more heat in the earths atmosphere b. they create holes in the atmosphere and releasing too much heat. c. they reduce humans ability to absorb oxygen through their lungs d. they increase the power of the sun, leading to negative effects such as skin cancer 13. in an inconvenient truth, the most likely reason that are three uses that heading “a silent alarm” is to a. use an image that all readers can visualize b. show there is a problem that many do not know about c. to bore the reader d. frighten readers so that they will take action

Increases in greenhouses can disturb the surrounding area because A, they trap more heat in the earth's atmosphere. A would also be the right answer choice for Question 13 as it is using images so readers can visualize in their heads the problem.

explanation:

if you’re a fan of chocolate, every occasion is right for this treat. feeling down? eat some chocolate. celebrating? eat some more. want to show your valentine how special you think your sweetheart is? offer up chocolate!   people have been enjoying chocolate as a food, drink and medicine for thousands of years. the ancient maya and aztecs called chocolate kakaw and used it as medicine. they also made chocolate offerings to their gods. chocolate comes from the cacao (kuh-kow) tree, and its scientific name reflects its history. theobroma cacao translates to “cacao, food of the gods.” these days, chocolate is not just for deities. the treat has become popular around the world.

what are you asking i dodnt know