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Umnica [9.8K]
3 years ago
15

How many variables should you have in a control experiment?

Biology
2 answers:
Alexus [3.1K]3 years ago
6 0
It depends on the case, but usually two variables should be in a controlled experiment.
wariber [46]3 years ago
4 0
You should do three variables so you can note the difference
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Population is a collection of individuals of a species living in a defined area

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Example:A population of Agama lizards in a Campus located in China.The whole human race, Homo sapiens comprising the black, Mongolian,red and white is a population.A population of <u>Cercopithe</u><u>c</u><u>us</u> <u>erythrogaster</u><u> </u>(Monkeys).

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Fold Mountains

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It should be connective tissue.
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What evidence would you look for to see if a chemical reaction has occurred?
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