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.

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.

what does the teacher mean