Answer:
Yes, I'm not sure how to explain it but it needs to be there because there is a prepositional phrase (i think that is one) right there. But yes, it is necessary.
I hope this helped you♥
Answer:
C. The author describes the details and logistics of the clean-cookstove effort before he states his support.
Answer:
Explanation:
When a winter is abnormally cold, the demand for oil increases because homes need to use more natural gas to maintain their internal temperatures. If a winter is abnormally warm, the demand for heating will decrease and less gas will be needed to heat homes.