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Answer:
22 kph
Explanation:
You simply divide the distance and the time. 66/3 = 22.
<span>The characteristics of a wave are given certain names to describe them, and this helps scientists to accurately describe any given wave. The characteristic known as frequency describes the number of waves that pass a point, and it is measured in waves per second, or Hertz, which is given the symbol Hz, but can also be described using the inverse of the SI unit for second, s^-1.</span>
Answer:
3
Explanation:
If oxygen reacts with iron, then both must be reactants and rust the product of that reaction
