Which soil layer contains the most humus?
a) a horizon b) b horizon c) c horizon d) d horizon

One or more substances changing into one or more substances is an example of a

What is a metal replacement reaction

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!