<span>Tap water is one of the three test conditions of the independent variable, the type of water.</span>
Answer:
The heliocentric theory suggest that the sun is the central body of the solar system and perhaps of the universe. Everything else (planets and their satellites, asteroids, comets, etc.) revolves around it. The first evidence of the theory is found in the writings of ancient Greek philosopher-scientists.
Explanation:
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Answer:
B) How often a disease occurs in a particular area or group of people
Explanation:
Epidemiologists study diseases in many different situations. Their main goal is to prevent diseases by using this information to plan and evaluate strategies.
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~Silver
Answer:
Which molecule is correctly paired with the class of molecule to
which it belongs?
Explanation:
Oxygen and silicon make up most of earths crust
