D. Because experimentation includes a control group. also, independent and dependent variables are part of an experiment they arent a type of research
Answer:
hope it helps..
Explanation:
During the third trimester, the fetus continues to grow in size and weight. The lungs are still maturing. The fetus starts to position itself head-down. By the end of the third trimester, the fetus is about 19 to 21 inches long and weighs about 6 to 9 pounds.
The answer is 4 gametes that have the number of chromosomes....
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