Answer and Explanation
Due to technical problems, I was not able to fill the answer and explanations in the corresponding boxes. You will find them in the attached files.
Answer: by being smart and pog and swag
Explanation:
It would have 20 protons, 20 neutrons, and 20 electrons. Protons and electrons are USUALLY (I say usually because of the different types of atoms) the same as the atomic number. To find neutrons you take the atomic mass minus the atomic number. 40-20=20
Answer:
hereditary variat on selection is made of those genetic variats that well be passed on most effectively to the following generation
