Physics, 21.12.2020 14:00 AshtinDCardwell14
There is less oxygen in air at higher altitudes than at sea level. Scientists have shown that people living at sea level have 5 million red blood cells per mm3 of blood whereas people living at high altitude have 7 million red blood cells per mm3 of blood. Suggest a reason for this difference
Answers: 3
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy
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