Some water falling on the earth's surface soaks into the ground,. and joins the underground aquifers.

The suns energy transmitted in the form of short wave radiation.

Lines drawn on a weather map to show places of equal barometric pressure.

Lines drawn on a map to show places of equal average annual rainfall (millimeters)

Lines drawn on a map to show places of equal average temperature.

This is a feature occuring in the early morning after a clear night, when terrestrial radiation is lost to space and the air near the ground has become cooler than the air above.