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aivan3 [116]
4 years ago
13

How many independent variables can be tested in a controlled experiment?

Biology
1 answer:
Naily [24]4 years ago
6 0

hey there, i believe that your answer will be choice C!

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Why does conduction occur more easily in solids and liquids, than in gases?
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Because liquids and solids are denser than gasses.

Explanation:

Solids and liquids are denser than gasses making it easier for things like sound to conduct through them. Being dense contributes to a better conduction because the particles and such within the solid or liquid are closer together which allows for things like sound to travel at a much faster rate because they're so much easier to vibrate.

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How does natural selection differ from selective breeding?
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Question 29: nucleus A, contains dna(chromosomes) and is the control center

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Increase occur in skin diseases and decrease occurs in the Earth's average temperature.

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