Do lunar forces inspire unusual behavior or influence the course of history on earth

ANSWER:

It is believed that lunar forces inspire unusual behaviour or influence over the course of history of the earth.

EXPLANATION:

It is believed that the full moon especially has the power to give rise to unpredictable and unheard of events. However, this is only a myth. The myth arises from ancient times when there were moonless nights at places and people could not move out. With the full moon, people got enough light to gather and attend festivals and this is when they were susceptible to pick-pockets and other events which created a fear of moving out on full moon nights.

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser 

Answerhave flowing water either episodically or during only a portion of the year;