Answer:
A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism. Enzymes are proteins that act as catalysts in biochemical reactions
Explanation: I don't know if this will help but hopefully it does
Answer:
phytoplankton
Explanation:
they are the base of the food web, without them other large organisms will die.
Answer:all grow and develops
2.water
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Explanation:
Answer:
the circulatory system provides the the skeletal system with nutrients within blood and aids in keeping muscles ligaments and tendons oxygenated.
