<span>A(n) alpha particle is a particle that contains two protons, two neutrons, and has a 2 charge.
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b. alpha
Answer:
3.605551275463989
Explanation:
solve using Pythagorean theorem
Mass in physics is in kg and mass in chemistry is in grams. Therefore a person's mass is kg
<span>Niche - </span><span>An organism's particular role in an ecosystem, or how it makes its living.</span>
