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Positron Emission Tomography scan of the brain of cocaine addicts showed that the drug affects how the brain use glucose. Cocaine users' brain cannot use glucose efficiently and there are also reduced metabolic activity in other areas of the brain.
Answer:
A. hairs on the back stand up when scared
Explanation:
B and C are not responses to stimuli, and D is a response to internal stimuli
In fact, adding salt does<span> the very opposite of </span>making<span> water </span>boil faster. Instead, itmakes<span> it take longer for the water to </span>boil<span>! The </span>salt<span> actually increases the boiling point of the water, which is when the tendency for the water to evaporate is greater than the tendency for it to remain a liquid on a molecular level.</span>
A T base on one strand always pairs with an A base on the other strand
