Respuesta :
Answer:1 a 2 d
Explanation: 1 explanation= a tornado would break trees and rip other plants out of the ground and most likely not leaving a lot of plants behind
2 explanation if copper
interferes with there photosynthesis then that would most likely stop there reproduction and the numbers of that plant would decrease .
One might be a tornado. Those things are super strong and can knock down even the largest of trees.