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Nadya [2.5K]
3 years ago
6

Why is a control group important in an experiment?

Chemistry
1 answer:
bazaltina [42]3 years ago
8 0
A control group is an essential part of an
experiment because it allows you to eliminate and isolate these variables.
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A block of aluminum occupies a volume of 15.0 cm and weighs 40.5 g. What is its density?
mafiozo [28]

Answer:

2.7 g/cm^3

Explanation:

D = m/V

D = 40.5 g / 15 cm^3

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Which is the greater distance 50 miles or 100 kilometers
slega [8]
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Which description best characterizes the motion of particles in a solid?
Masja [62]

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D. Vibrating around fixed positions

Explanation:

It's right on edge

6 0
2 years ago
It has been proven that North America is moving west about 2 cm per year. How many kilometers wouldn’t move in 5000 years
Viefleur [7K]
0.1 km

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7 0
3 years ago
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natima [27]

Answer:

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rate = k[A]”[B]"

6 0
3 years ago
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