Answer: Light intensity influences the manufacture of plant food, stem length, leaf color and flowering.
Explanation:
The best and most correct answer among the choices provided by the question is <span>b. decreases it.
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If the sympathetic nervous system increases the production of saliva, the parasympathetic system decreases it.
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Hope my answer would be a great help for you. </span>
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Atomic mass = number of protons + numbers of neutrons
Source: My work
Hydrogen is slightly positive while oxygen is slightly negative making it a hydrogen bond