Question

Why are there two high tides a day about 12 hours apart from each other?

A Earth revolves around the Sun once during that time.
B Earth rotates entirely on its axis once during that time.
C The moon revolves around Earth once during that time.
D The moon’s orbit is in line with Earth’s orbit twice a day.

Answer 1

It is B

Step-by-step explanation:

there are 24 hours in a day which means Earth has had full rotation. 24/12=2

Answer 2

B. Earth rotates entirely on its axis once during that time.

Step-by-step explanation:

That is how there is two high tides a day in 12 hours