Atomic energy is produced from changes within the of an atom.
1. Protons
2. Neutrons
3. Orbitals
4. Nucleus

Could someone me with number one you

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters