Biology, 22.01.2021 14:00 antmike31ox1v8e
In an experiment, Dr. Travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. The amount of calcium variable. The risk of bone fractures .
1. A reliable
An independent
A dependent
2. Can be changed by the participants
Can be changed by the researcher
Could change with calcium intake
Answers: 1
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