2. does the amount of iron in the water affect plant growth?
hypothesis:
u...
Physics, 29.11.2019 05:31 hsernaykaw42
2. does the amount of iron in the water affect plant growth?
hypothesis:
use if and then
Answers: 3
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Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
Answers: 2
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The heliocentric and the geocentric models of the solar system included these central principles
Answers: 1
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Awelder using a tank of volume 7.50×10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30×10^5 pa and temperature of 37.1 ∘c. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 ∘c, the gauge pressure of the oxygen in the tank is 2.00×10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
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