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sladkih [1.3K]
3 years ago
14

Which one of the following is a characteristic of a metal?

Biology
1 answer:
hammer [34]3 years ago
3 0
B. Metals conduct heat 
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a

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You want to test whether duration of light exposure affects fish reproduction. What would be your control group and experimental
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The experimental group is the one that receives the experimental procedure, with changes in the independent variable.  There can be several experimental groups.

In the control group, the variable measured keeps constant, not influencing the results. This isolates the effect of the independent variable on the experiment and helps to find alternative explanations to the different results.

In the exposed example:

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Except for light, the rest of the variables should be the same for all the groups.

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