Answer:
reactions
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.
Answer:
Water
Explanation:
Its water because water has many forms and all those forms are being converted into other forms of water during the cycle
Answer:
The one I know is plant cell has no cell wall while animal cell have cell wall