I only see 3 excerpts.....those I can see would be as follows:
1) Society and class
2) humankind and nature
3) evolution
Don't know why the other 2 excerpts don't show up (for me)
The answer B.Since,Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. ... Diffusion in gases is quick because the particles in a gas move quickly. It happens even faster in hot gases because the particles of gas move faster.
It is customary that the introductory paragraph should include the thesis statement, a kind of mini-outline for the paper. It tells the reader what the essay is about. The last sentence of this paragraph must also contain a transitional "hook" which moves the reader to the first paragraph of the body of the paper.
Given the previous information, we could conclude that stating all three of the main supporting details to an argument is a constituent of a good introductory paragraph because that would be considered as the thesis statement, which tells the reader what the essay is about.
So, the final answer is:
Yes , True
