it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
One Y and one X chromosome.
Large, no polar organic molecules that don’t dissolve in water
<span>The best method used to prevent soil depletion would be contour farming.
In contour farming, the land is tiled in consistent elevation. Contour farming is efficient in reducing soil depletion because it can conserve rain water and reduce the erosion of soil.
If there is no contour farming in your option, then choose A. Adding fertilizer. </span>