D because it’s asking for the similar and difference
Hey there!
The changes that were (necessary) in the Earth's atmosphere to allow complex organisms to evolve was a
collision from above such as a meteor and an increase in volcanic activity.
Your correct answer
. . .
. . .

Hope this helps.
~Jurgen
Answer:
You are entitled to a free credit report every 12 months from each of the three major consumer reporting companies (Equifax, Experian and TransUnion). You can request a copy from AnnualCreditReport.com.
Explanation: