The Best Sample of the True Numbers of the Different

question 179

Multiple Choice

The best sample of the true numbers of the different types of stars consists of

• A)stars that appear brightest in the sky to an observer on Earth.
• B)all of the stars within our solar system.
• C)all the stars within a given distance from Earth.

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Definitions:

Liters

A metric unit of volume equal to one cubic decimeter or 1000 cubic centimeters.

Mole

A unit of measurement in chemistry that quantifies the amount of a substance, specifically 6.022 x 10^23 particles of that substance.

CaCO3

Calcium carbonate, a chemical compound found in rocks as the minerals calcite and aragonite, and is the main component of pearls, as well as marine organisms' shells.

CO2

Carbon Dioxide, a colorless, odorless gas produced by burning carbon and organic compounds and by respiration.