Answer:
its "A" water flowing over a tall cliff
Explanation:
Answer:
Analog signal ..............
Parathyriod glands produce a parathyriod hormone aka PTH
Answer:
I’m pretty sure it’s all of the above!
Explanation:
Explanation:
Reactions occur when two reactant molecules effectively collide, each having minimum energy and correct orientation. Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.
