what part or group of the experiment includes the variable bieng tested??
a.experimental group
b.control group
c.constant group
d.field group
please answer
a.experimental group
b.control group
c.constant group
d.field group
please answer
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Answer:
Letter B
Explanation:
Methane is an important trace gas in Earth's atmosphere. Even though it only makes up 0.00017% (1.7 parts per million by volume) of the the atmosphere, methane traps a significant amount of heat, helping the planet remain warm and habitable
Answer:
B.po
Explanation:
control group
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