Drivers of any age must take a vision test with each renewal. In 2011, the legislature turned away a proposal to test older driversâ reflex and reaction times starting at age 75, and to require every-six-months renewals for people 90 and older.
What causes the tides? It is the gravitational attraction of the sun and moon that cause waters of the ocean to raise and lower at different parts of the earth. Tides occur in oceans, and to a much smaller extent, tides also occur in large lakes, in the atmosphere, and within the solid crust of the earth.
Spring Tides. Spring tides are the result of the moon and sun working together to exert more pull on the earth's oceans. When the moon is in its full and new stages the earth, sun and moon are all aligned.This extra gravity pulling on the same point of the earth causes stronger high and low tides.pring Tides. Spring tides are the result of the moon and sun working together to exert more pull on the earth's oceans. When the moon is in its full and new stages the earth, sun and moon are all aligned.