F. Clouds and Carbon dioxide. Because CO2 absorbed by trees and clouds gives water to the trees and plants.
I believe that the youth movement originated with the baby boomers, the huge generation born after the world war II. By 1970, 58.2 % of the population in America was under the age of 35 years. The economic boom of the 1950s meant more families could afford to send their children to College. College life gave the young people a sense of freedom and independence. It was on college campuses across the nation that youth protest movements began and reached their peak.
I believe the awnser is D] Increased coastal flooding.
Hopefully I helped :)
Obviously sun plants are increasing more than shade plants by Light intensity and Rate of Photosynthesis. The Shade plants are decreasing by Light intensity