Someone help pls... Match the following key terms: 1.) Polders 2.) Strait a.) A stretch of land reclaimed from the sea or a lake. b.) A narrow passage of water connecting two large bodies of water.

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.