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FinnZ [79.3K]
3 years ago
14

Page 161 3. how do people adapt to environmental extremes and other circumstances? human populations that engage in activities t

hat stress the skeleton (e.g., walking, lifting, carrying) have bones with optimum density.
a. True

b. False
Biology
1 answer:
PilotLPTM [1.2K]3 years ago
7 0
It’s true (a) because bones become brittle and easier to break if theyre not used. bones more frequently used become stronger.
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