The correct answer is A. Congress
Whatever the President proposes has to be approved by the Congress. This is often unsuccessful which is why Kennedy famously said "The president proposes, the congress disposes."
The control group would constitute the control group in a true experimental study.
In scientific research, control groups are used to establish causality by isolating the effects of independent variables. Investigators change the independent variable in the treatment group and keep it constant in the control group. Then compare the results of these groups.
A control group is required for the actual experiment. A control group is a group of study participants who resemble the experimental group but do not receive an experimental treatment. The control group provides reliable baseline data against which experimental results can be compared.
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The corpus luteum in a non- pregnant woman usually lasts about 10 days after the egg leaves the ovary.
Corpus luteum is inside the ovaries and is shaped like a tiny sac that can hold a developing egg. It is made of two main type of cells, that is, follicuar theca cells and follicuar granulosa cell. A human hormone called human chorionic gonadotrophic [HCG] spurs these cells to make progesterone.
When the egg escapes the dominant follicle during ovulation, the sac breaks. If the egg doesn't get fertilized, corpus luteum will start to break down around 10 days after the egg leaves the ovary. Without the progesterone, your uterus won't go through the changes that support pregnancy and you will shed the lining during periods.
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