What human activity would have the most significant effect on the temperature of the earth? a) deforestation b) producing smog c) producing cfcs d) burning fossil fuels

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

2%? i tried finding the exact sorry if it's not 100% correct ; -;

the answer is c.mitochondria. glad to .

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.