Answer:
Formal operations
Explanation:
During formal operational stage adolescents<em> gain the ability of abstract thinking and its application, they can manipulate ideas in their heads without any dependance, they also begin to think creatively and can do mathematical calculations.</em>
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It only takes a few seconds to kick in.
B is the answer to the question
Stop using drugs. :) hope that helped!
<span>you're performing cardiovascular exercise,
you don't work at too high an intensity level,
your heart is strengthened</span>
