TASK DEFINITION: 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.
PROBLEM: Question: Reid notices no change in the weather and temperature from 100 years ago. This likely was caused by _____ greenhouse gas levels. 
 Answer: decreased

SOLUTION: As greenhouse gases increase, changes will be more extreme.

PROBLEM: Question: Marie is rolling cards down a hill. She wants to know which cart will get to the bottom of the hill slower, an empty cart, or a full cart? The cart that will finish first will have a mass that is 
 Answer: lower

SOLUTION: An object has greater momentum if it has greater mass, greater velocity, or both.

PROBLEM: Question: When we look at the solar system planets are more far apart 
 Answer: farther from the sun

SOLUTION:
In general, the farther away from the Sun, the greater the distance from one planets orbit to the next.