20p! a venus fly trap closes its leaves when an insect lands on it. which type of adaptation is this? asap! nvm i did myself i got an 80 ; -;

They have an adaptation called trigger hairs.

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity

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.