The action which occurs after stimulus is called a(n) . a.
stimulus.
b.
reaction.
c.
impulse.
d.
response.

Please select the best answer from the choices provided

A
B
C

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

1-taiga 2-desert 3-desert 4-taiga