Answer:
All parts of the food chain are very important for if one is part of the food chain is tooken away than other parts of the food chain will be affected.
Explanation:
The differences are <u>the number of neutrons</u> and the <u>atomic mass</u><u /><u />.
Copper-63 has an atomic mass of 63 amu, and has 34 neutrons.
Copper-65 has an atomic mass of 65 amu, and has 36 neutrons.
