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Which statement is an example of a scientific theory?

A.
All living organisms are composed of one or more cells, which came from pre-existing cells.
B.
Hummingbirds do not like the color white because they visit other colored flowers more often.
C.
The amount that caffeine affects a person's heart rate differs based on the person's age.
D.
The Earth is the third planet from the Sun and has one moon, which orbits the Earth.

User Hodges
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1 Answer

3 votes
The answer will be choice B
User Wenic
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