The correct answer is thesis statement.
A thesis statement is the most important sentence in an essay - in it, you will find the main idea of the essay and why it was written in the first place. The author will briefly summarize his or her motivation and goal for writing the essay in this sentence, which is usually found at the end of the introductory paragraph.
it says choose all that apply. meaning there is more than one answer. you only chose one. the answer you chose is correct but "the substance" and "the amount" go along with "difference in temperature".
Answer:
whyyyy
thx for the free points tho
Explanation:
