Answer:
Risky behavior can be caused by a variety of factors including bad influence, drugs and alcohol, or domestic problems
Explanation:
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The answer to your question is True. The supreme court can rule certain laws unconstitutional through cases.
Answer:
The sex ratio is the ratio of males to females in a population.
Explanation:
It is generally divided into four subdivisions:
primary sex ratio — ratio at fertilization
secondary sex ratio — ratio at birth
tertiary sex ratio — ratio in sexually mature organisms
quaternary sex ratio — ratio in post-reproductive organisms