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").

A star produces light energy and heat because it has a variety of (A) moon rotation causing friction (B) light energy flowing to earth (C) reactions of nuclear form (D) global warming caused by co2
C

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
D

Above a stove, where a pot of water boils, is a hood. The steam from the pot rises to the hood and (A) gathers up (B) burns up dry (C) freezes solid (D) makes zero sense

A