How do I figure out how to find the nucleus

The mass number is the sum of protons and neutrons. This means to find the number of neutrons you subtract the number of protons from the mass number. On the periodic table, the atomic number is the number of protons, and the atomic mass is the mass number.

Nucleus is found in the center of the Atom and is the only thing found in the center

Explanation:

hope that helps

your answer would be a, maximum exploitation of resources.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.