A. a bicycle chain is an example of a compound machine
<span> The boiling point of water at sea level is 100 °C. At higher altitudes, the boiling point of water will be.....
a) higher, because the altitude is greater.
b) lower, because temperatures are lower.
c) the same, because water always boils at 100 °C.
d) higher, because there are fewer water molecules in the air.
==> e) lower, because the atmospheric pressure is lower.
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Water boils at a lower temperature on top of a mountain because there is less air pressure on the molecules.
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I hope this is helpful. </span>
Your answer is 20
just take 1,200 divided by 60 [second] :)
Answer:
A. pulls back on the Earth, which is the main cause of the rise and fall of the ocean tides on Earth.
I think you want 2x10^-2
It’s called Scientific Notation
