I believe one's age is the only thing that could go up but never down.
1. List two reasons why fossil fuels should continue to be used as a source of energy in America.
Answer:
A - Michael's and Erin’s new house is absolutely spectacular.
Explanation:
There should only be an apostrophe s in Erin. Michael doesn't need a possessive apostrophe. When you have two or more people in a sentence, you only need a possessive apostrophe for the last person in a sentence.
The answer is C..........