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 EPA is an independent agency formed for environmental protection. Hence the statement The Clean Air Act would be a reason for the Environmental Protection Agency (EPA) to regulate car emissions is true.
Car emissions are very harmful for all the living organisms in an environment.
The production will most likely be halted by an inhibitor until the cell needs more to be produced
Answer:
D. Evolutionary relationships
Explanation:
phylogeny describes the relationships of organisms which evolved on most closely related species
The answer to this question would be: The soil