2 is the answer;
1 - alpha has 2 protons and two neutrons and no electrons, and they have a positive charge. Beta particles have high energy electrons and are negative charged.
3 - Gamma radiation is.
4 - Of course not. They don't have 2p and 2n in its nucleus as Helium does.
Mutations occur in the genetic material of the cell, which changes the chromosomes and the genetic elements/makeup of the cell or genome.
Endo = enter
This means when things enter into the cell, I hope this helped
Answer:
Type B stars
Explanation:
type B stars are the hottest, so they would burn up more quickly, spending the least amount of time on the main sequence.
