Answer is D. 7;1
There are currently 7 billon people living on the earth today.
Answer: The unsuccessful August 1991 coup against Gorbachev sealed the fate of the Soviet Union. ... A few days after the coup, Ukraine and Belarus declared their independence from the Soviet Union. The Baltic States, which had earlier declared their independence, sought international recognition
Explanation:
Researchers must utilize a control group in a scientific study because <span>it is important to show that between two groups that were similar from the beginning of the study, the one that received the manipulation is the one that changes. Note that the control group is the group in the experiment that does not receive manipulation by the experimenter and is thus used as basis for how the other test subjects changed. </span>
It should benefit the safety and diversity of the great society in humanity:)
