None of the options is correct.
INTERMITTENT ACTIVITY means that you perform said activity at irregular intervals, in a sporadic way. On the contrary, the options mentioned require the subject to participate actively. For example, in order to develop a skill it is important to practice a lot. In the same way, if you focus on what you are hearing, you are paying attention which is the opposite to what an intermittent activity is.
Answer:
C
Explanation:
It started in Europe which spread to new countries like the U.S but the south had good weather conditions for agriculture.
Answer:
That the Spanish were behind the explosion of the Maine is common sense.
Explanation:
Read the context (ap3x)