Question

1. how often will high tides occur?

o about twice a day.
o about twice a week.
o about twice a month.
o about twice a year.

Explanation:

Tides are caused by the gravitational pull of the moon and sun on the Earth's oceans. A lunar day (the time it takes for the moon to return to the same position in the sky relative to a point on Earth) is about 24 hours and 50 minutes. During this time, most places on Earth experience two high - tides and two low - tides.

Answer:

A. About twice a day.