Spring tides occur when
1.melting of the snow and ice makes water levels high.
2.the moon is 90 out of alignment with the sun and the Earth.
3.the Earth is closest to the moon.
4.the Earth, moon and sun are all in alignment.
Question 2The two largest tide-generating forces on earth are
1.gravitational pull of the sun and centrifugal force.
2.gravitational pull of the moon and centrifugal force.
3.gravitational pull of the moon and sun.
4.wind drag due to the Earths rotation and centrifugal force.