Anxiety is the mind's way of telling the body that something is a threat, and the situation is dangerous. When we're anxious, we produce adrenaline. This adrenaline allows us to act quickly with either fight or flight in an anxiety inducing situation.
Answer: they ask for your ID, if you’re old enough u can purchase it but if you don’t have one or aren’t old enough, they tell u that u cannot purchase them
Explanation:
Efficiency is defined as the
measure of the amount of work or energy is conserved in a certain process. At
all times, in every process, work or energy is always lost or wasted due
to certain interference. Not all work given is converted to useful work or
energy. Thus , efficiency is calculated by dividing the energy or
work output to the energy or work input then the value is multiplied by
100 to express efficiency as percentage.
Efficiency = (energy output / energy input)
0.50 = kinetic energy produced / 150 kcals chemical energy
<span>kinetic energy produced = 75 kcals</span>
Answer:
An antigen is any substance that causes your immune system to produce antibodies against it. This means your immune system does not recognize the substance, and is trying to fight it off. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen.
Explanation:
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Water, food, and vitamins