Answer:
Dark spots appear when the skin cells produce too much melanin. if the original spots were deep, it may be permanent.
Explanation:
Ability to focus one's eyes
Answer:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Explanation:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
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Answer
If Richard’s friend jumps in front of him and scares him, Richard’s sympathetic nervous system will take over and his parasympathetic nervous system will have a lesser role.
Explanation
The sympathetic nervous system is responsible for the activation of the flight/fight response. The extensive network of neurons regulates the involuntary processes of the body. Through the autonomic nervous system actions that occur without voluntary control are mediated. For example heart rate. The sympathetic and parasympathetic nervous systems complement each other will working.
Answer:
c anxiety
Explanation:
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