Crop rotation is a method of soil conservation because

a.
the land produces more than one type of crop
b.
it requires plowing and tilling that reduces soil compaction
c.
it does not use the same parcel of land in sequential seasons
d.
it avoids the depletion of soil nutrients

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

What percentage of light hits earth's surface directly?

What are they five steps of cloning?