Answer:
drawing
Explanation:
Draw:
Draw 2 water molecules, H2O. connect the Hydrogen to the Oxygen.
Answer:
Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. ... The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.
Answer:
photolysis
Explanation:
it happens when the uv radiaiton of sunlight breaks apart the oxygen containg molecules.
I looked it up and it should be D. Nerve cells :)
