Roberto lives near a wind farm and is wondering about the environmental effects of the wind turbines. he that the turbines make a sound like faint airplane engines and also that there are far fewer meadowlarks living near the windfarm than lived there before the windfarm was built.
a) guesses
b) predicts
c) hypothesizes
d) theorizes
e) observes

The correct answer is letter C: hypothesizes

Explanation:

The reason why this is the correct answer is due to the use of the verb 'wondering' in this sentence, this verb implies a certain level of analysis on the situation, Also, the hypothesis is made based on perceived changes caused by the potential issue; proposing a  possible explanation of what is actually happening.

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.

the correct answer is d