The is the imaginary line that encircles the earth and is equidistant from the north and south poles. international date line longitudinal line latitudinal line equator

The primary agent of contact metamorphism is

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

In the diagram below, ab and bc are tangent to o. what is the measure of