Answer:
adjective. willing or eager to do favors, offer one's services, etc.; accommodating: The clerk was most obliging. obligating
I would love to help you. But I can't because there aren't any answer choices. :(
yes i agree a should be it,
It is cheaper to use fossil fuels then to invest in renewable energy technology.
Research link(https://www.theguardian.com/environment/2013/apr/17/why-cant-we-give-up-fossil-fuels)
-Agarvated
C. Complex
People who volunteer <u>not only</u> help others -> a dependent clause
<u>but </u>they help themselves as well. -> an independent clause