When the moon is full or new, the gravitational pull of the moon and sun are combined. At these times, the high tides are very high and the low tides are very low. This is known as a spring high tide. Spring tides are especially strong tides (they do not have anything to do with the season Spring).They occur when the Earth, the Sun, and the Moon are in a line.The gravitational forces of the Moon and the Sun both contribute to the tides. Spring tides occur during the full moon and the new moon.pring tides are especially strong tides (they do not have anything to do with the season Spring). They occur when the Earth, the Sun, and the Moon are in a line. The gravitational forces of the Moon and the Sun both contribute to the tides. Spring tides occur during the full moon and the new moon.
The number of courses you may take in a semester is dependent on many factors, such as your time availability and your school's course load policies. To be considered full-time as an undergraduate, most schools will require you to take at least 12 credits, which is equal to four three-credit courses.
1.1 The maximum course load for undergraduate degree students is 21 credit hours in a semester and two courses plus a physical education course in a summer session. To carry more than the maximum, students must obtain the approval of their academic advisers and of their college deans.