Answer: Option C.
Enzymes lowers activation energy required for a given reaction.
Explanation:
Enzymes are biological catalysts that are produced by living organisms which speed up the rate of chemical reaction.
Enzymes lower the activation energy of a given reactions. As the activation energy is lowered, the reaction becomes faster. Enzymes speed up the rate of reaction by lowering the activation energy.
Answer:
It requires agents to carry the pollen anther to stigma.
Explanation:
Population size and density is calculated by using a variety of field sampling methods, including quadrats and mark-recapture.
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