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.
Low tide and high tide occur as a result of the combined gravitational pulls of the Sun and the Moon, and the rotation of the Earth. The moon's gravity pulls on the ocean wat â¦ er so that there are bulges in the ocean on both sides of the planet (directly under the moon and on the opposite side of Earth).