Answer:A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it.
Explanation:
To investigate attitude changes using a constant set of people to compare each individual
Answer:
It's the first choice
"it was only a problem" is the start of a sentence, so "I" in "It" should be capitalized.
D.<span>"Have you ever been to New York?" asked Jenna.</span>
A.
<span>They provide firsthand accounts of historical events.</span>
