The Overall Shape of the Orbits of MOST of the Planets

question 52

Multiple Choice

The overall shape of the orbits of MOST of the planets in the solar system is

• A) perfectly circular.
• B) parabolic.
• C) slightly elliptical, but nearly circular.
• D) elliptical, very elongated.

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Definitions:

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Polychlorinated biphenyls, a group of man-made organic chemicals known for their environmental persistence and potential health hazards.

Menstrual Period

A monthly cycle where the female body sheds the lining of the uterus, leading to bleeding through the vagina, a natural part of the reproductive system.

Conception

The process of fertilization where a sperm cell unites with an egg cell, leading to the formation of a zygote and the beginning of pregnancy.

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A condition in a child that results from alcohol exposure during the mother's pregnancy, causing brain damage and growth problems.