The Critical Period Hypothesis (CPH) states that the first few years of life constitute the time during which language develops readily and after which (sometime between age 5 and puberty<span>) language acquisition is much more difficult and ultimately less successful.</span>
Answer: D
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It’s basically norepinephrine telling us that a situation may be risky or to get away from something that may be unsafe.
Public health tools for addressing heart disease is good, because health will lower your chance of getting heart disease. That's why it's important. Hope this Helps!