Answer:
Momentum is the measure of the motion of an object found by multiplying the objects mass and velocity.
Symbol: p
Units: kg x m/s
Explanation:
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The valves stop the blood from flowing backwards
Answer: 1
1.Cl K Ar is in order
2.Fe Co Ni isn't in order
3.Te I Xe isn't in order
4.Ne F Na isn't in order
Hey there!
I believe the answer is Combination (or Synthesis) Reaction.
Answer:7 atom of carbon+5atom of hydrogen +3atom of nitrogen +6 atom of oxygen =21