PLEASE HELP PLEASE HELP .According to the section “Decide Which Investigation You Want To Do,” why do scientists do experimental investigations
A. they do not want to make a hypothesis
B. they want to find out the cause of something
C. they want to see how two objects compare
D. they want to change more than one variable

Then, they do experiments or make observations to see if the predictions are correct. ... A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or ... In fact, there is only one thing that I do differently to the two pots: ... It looks like the "seeds need water" hypothesis is probably correct!

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.

don't enter the room

explanation:

or you can just ask him to move away from his house