instruction:
In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
question:
Which event can lead to the human caused change of an environment? (A) seasonal storms (B) annual flooding (C) natural woodland fires (D) clear cutting
answer:
D


question:
If an environment experiences a long drought (A) animals will experience a boom in reproduction (B) ponds may dry up and kill off the fish population (C) tadpoles will mature faster into frogs (D) plants will continue to flourish
answer:
B


question:
Environments which are covered in snow are often white as a result of said snow and what other factor? (A) conditions which allow little if any heat to be produced or stored (B) temperatures that are colder than a tropical environment (C) cool air that flows in a circular pattern (D) wind chill that meets warm fronts on occasion
answer:

A