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").

[Q]: What is an example of reproduction occurring in adulthood? (A) humans are unable to reproduce until they are legal adults (B) eggs are unable to be fertilized before they are dropped (C) dogs are unable to have puppies until they are two years old (D) cats are unable to produce offspring until they are sexually mature
[A]: D


[Q]: Magnetic media, such as TVs, computer monitors, credit cards and pacemakers can be damaged when exposed to (A) neodymium (B) a paper clip (C) copper penny (D) metal nails
[A]: A


[Q]: A way in which humans may cause pollution to the environment is (A) using bug killer on crops (B) avoiding spilling oil into oceans (C) placing plastics in special containers (D) making laws against littering
[A]:
A