The atomic mass of the most common isotope of carbon is the element with an atomic number of 4 is exist in orbitals around the nucleus. oxygen has protons in the nucleus. an isotope of an element has the same number of protons but a different number of

6 ,Be electrons ,8,neutrons (mass number)

1. 24

2. beryllium

3. Electrons

4. 8

5. neutrons

Explanation:

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

straight or amphibians are homeothermic to thermal