In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Input: Consider Input: Question: If Earth's plate tectonics slowed down, Earth's convection would 
 Answer: decrease

Output: Convection on early Earth was faster and so plate tectonics was faster.


Input: Consider Input: Question: If an animal is able to eat food more difficult is it more or less likely to reproduce? 
 Answer: less

Output: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.


Input: Consider Input: Question: What would happen to the speed of Earth's orbit if our planet were to move closer to the Sun? 
 Answer: increased speed


Output: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.