A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results.
The answer is-Hydroelectric Hope this help
Bioprospecting is the search for plant and animal species from which medicinal drugs and other commercially valuable compounds can be obtained.
Based on this I think it could be B.
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<span>The type of diagnostic test that is used to tell how much protein is being excreted by the kidneys and to estimate the filtration abilities of the kidneys is a twenty-four-hour urine collection. This test collects urine over a 24-hour period to be sent to a lab for analysis, and the components of the urine sample can be used to detect certain diseases.</span>