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.

[Q]: Question: Slowing plate tectonics indicates convection is 
 Answer: decreasing
[A]: Convection on early Earth was faster and so plate tectonics was faster.


[Q]: Question: If Jupiter has a bigger orbit then Mercury, which planet will take a shorter time to revolve around the Sun? 
 Answer: Mercury
[A]: The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.


[Q]: Question: Derek needs to be able to read really small print, so he reaches for a straight lens magnifying glass, which can magnify 
 Answer: less
[A]:
The more curved the convex lens is in a magnifying glass, the greater its ability to magnify objects.