True or false all changes in genes due to mutations are not beneficial

False, changes in genes due to mutations can be beneficial. (An example would be polar bears. They had a genetic mutation that gave them their white fur. Therefore, they blended in with snow easier, ate more food, survived longer, and passed down their genetics, while those without the mutation died out.)

A) 4 amusingb)alpha particle is a helium nucleus. it contains 2 protons and 2 neutrons.c)alpha particle has charge of +2.