What do farmers that practice shifting cultivation do when their fields are depleted of nutrients? Question 2 options:

They plant different crops in it.

They add fertilizer.

They abandon it and clear a new field.

They wait several years for it to recover.

Which layer surrounds the center of the earth? a: crust b: core c: mantle

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.

The figure is a square. its diagonals meet to form four right angles. what is the approximate value of x? 2.8 units 3.3 units 4.0 units 5.7 units