Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Environmental changes is most responsible for the extinction of most species of plants and animals that have lived on earth.
[EX A]: What process is most responsible for the extinction of most species of plants and animals that have lived on Earth?

[EX Q]: Destructive interference in waves occurs two troughs what things overlap.
[EX A]: Destructive interference in waves occurs when what things overlap?

[EX Q]: Fungi is the major cause of disease in agricultural crops.
[EX A]:
What is the major cause of disease in agricultural crops?