Answer:
The speed of a reaction is given by the reaction rate, a measure of how fast reactants are consumed and products are formed. The study of reaction rates is known as chemical kinetics. The central theory of kinetics is collision theory. The premise of this theory is simple: molecules have to collide to react.
Explanation:
Answer:
I Think this
directly provide leaf cells with the water involved in photosynthesis
Explanation:
It’s cardiovascular and circulatory. Sorry if its wrong :(. Have a nice day
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It lasts about 90 minutes for a normal person.
