The term puberty refers to the period during which an individual is already capable of sexual reproduction or they become sexually mature. It usually occur from ages 10 to 14 for girls and 12 to 16 for boys. At this period, physical changes are observed.
Answer:
Control
Explanation:
Professor Eatwell is trying to study the effects of zinc supplements on young adults' susceptibility to the cold virus. In order to study the effect of zinc supplements it must be made sure that the effects observed during the study is the effect of the zinc supplement solely.
In order for this to happen a control group is used where the group is not given zinc supplements even though the group members think that they are receiving zinc supplements.
Freedom of speech.is apart of the first admenment
Answer:
Grover Cleveland
Explanation:
The First Democrat elected after the Civil War, Grover Cleveland was the only President that left the White House and then returned for a second term four years later. He was the 22nd and 24th President who was the only President to leave the White House and return for a second term four years later (1885-1889 and 1893-1897).
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