Choose all the answers that apply. Erosion can be reduced by .

contour plowing
putting up fences
cutting down trees
removing topsoil

What does the cell nucleus do or, how does it function?

Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.

The term gas is limited to those substances that exist in the gaseous state at