What role does beef production play in climate change?

Global beef and dairy comsumption is on on the rise-and it generates more green house gas(GHG) emissions than all the world's cars, threatening long-term climate targets.Cattle are responsible for 9% of all human-induced greenhouse gas emissions,or 4.7 gigatonnes a year(source:FAO)

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.

i think the answer is d)solicitude sorry if the answer is wrong.