Tolerance to ADD medications can occur. ADD medications can help increase the levels of neurotransmitter in the synapse.
Nonmedical use of ADD medications can cause symptoms known as "the crash" after the initial flood of neurotransmitter wears off.
ADD symptoms may be caused by altered levels of neurotransmitter.
Amphetamine use can cause increased alertness and mental focus.

21 stacks

step-by-step explanation:

divide 630/30

21 stacks

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answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

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explanation:

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.