Word Knowledge
The word“restrict”most nearly means:
Word Knowledge
The word“minimize”most nearly means:
Reading Comprehension
Passage:
Exercise increases heart rate and improves circulation. Over time, regular physical activity strengthens the heart muscle and increases endurance.
Which effect of exercise is described in the passage?
Reading Comprehension
Passage:
Medical research relies on controlled experiments to test hypotheses. By controlling variables, researchers can determine whether observed effects are due to the factor being studied.
Why are controlled experiments important?
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