answer
c. he enjoyed sharing his life story
Answer:
The mantle is approximatly 2,900 km thick and it can get to be extreemly hot!
Explanation:
The answer would be C, as it is the only one that makes sense when you read it. Hope this helps.
Answer : Both work
Explanation : When you are citing you can both or you can use one, when you are done you can run it through grammarly.