Most coastal areas on earth experience two high tides and two low tides every lunar day. what is a lunar day? our days on earth are 24-hour solar days, the time that it takes for a specific site on the earth to rotate from an exact point under the sun to the same point under the sun. a lunar day is a time it takes for a specific site on the earth to rotate from an exact point under the moon to the same point under the moon. a lunar day is 24 hours and 50 minutes. that means a lunar day is 50 minutes longer than a solar day.

if the first low tide occurs at 5: 10 am on friday, when will the next low tide occur?
a) 5: 10 am saturday
b) 5: 10 pm friday
c) 5: 35 pm friday
d) 6: 00 pm friday