Answer:
controlled experiment
Step-by-step explanation:
Controlled experiment is a type of experiment in which except for only one variable, everything is kept constant.
The common type of the controlled experiment compares the control group against the experimental group. All the variables are identical between two groups except factor which is being tested.
Big advantage of the controlled experiment is that one can eliminate much of uncertainty about the results.
Answer: The answer is 12 and 20 should be 10
The answer isC. Phase 3 <span>of clinical testing is required by the FDA before drug approval and uses the greatest number of subjects.
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Answer:
60+80+x=180
Step-by-step explanation:
__ + __ + __ = __ fill in the blanks
if 60, 80, and y have a sum of 180, the equation is 60+80+x=180
