Which is the best example of a strong research question?

A.
What is the most significant effect of reducing vehicle gas emissions in the United States?
B.
Do you care about vehicle gas emissions in the air?
C.
How do you reduce air pollution?
D.
Why is it important to be knowledgeable about air pollution?

Which historical detail can best clarify a reader’s understanding of the information in the excerpt? immigrant factory workers who spoke the same language were separated from each other at work. immigrant factory workers who spoke the same language were known to talk too much at work. immigrant factory workers had to pay rent for their chairs and the supplies they needed at work. immigrant factory workers were crowded into unsafe buildings with locked doors and fire escapes.

Why is it important to include a descriptive subject heading? it in sorting the topics. it the recipient see its importance. e-mail programs won’t allow e-mail to be sent without it. it keeps junk e-mail separate from important e-mail.

In the book hatchet why did brian think searchers would not find him