The Greatest Inaccuracy in Copernicus Model of the Solar System

question 75

Multiple Choice

The greatest inaccuracy in Copernicus model of the solar system was that the planets

• A) travel in circular orbits with uniform motion.
• B) traveled on epicycles whose centers followed orbits around the Sun.
• C) traveled in elliptical orbits.
• D) were allowed to travel backwards in their orbits.
• E) the planets orbited the Sun.

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Definitions:

Oxygen

A chemical element (O) essential for cellular respiration in living organisms and a component of the earth's atmosphere.

Maternal Blood

Blood circulating in a pregnant woman that provides nutrients and oxygen to both the mother and the fetus.

Embryonic Blood

Blood cells that are present in an embryo, fundamental in the development of the circulatory system.

Fetal Blood

Blood that circulates through a fetus, which has unique properties, such as a higher concentration of hemoglobin, to efficiently carry oxygen from the placenta.