Answer:
C. provide motivation to Laura to return to school.
Answer:
The children promised <em><u>to </u></em><em><u>be</u></em> back by mine.
Answer:
Well, one of the most effective or effectual methods that can be used by researchers to avoid sampling bias is simple random sampling, in which samples are chosen strictly by chance. This provides equal odds for every member of the population to be chosen as a participant in the study at hand.
Explanation:
hope it helps.
I'm going to say D on this one because depending on what grade the student is in this is probably something they would cover in elementary school classes. Mainly science.