The decayed organic matter in soil which is beneficial to plant growth is called
a. loam.
b. humus.
c. silt.
d. clay.

What is the role of the phospholipid belayer in cellular transport in living cells

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex