B-valine,histidine,threonine,phenylalanine
Answer:
air, oxygen, water, sand. and tea
In Science, a electron in an atom is always negative. The more electrons you have, the more negative a atom is. The more protons (Positives) you have, the more positive a atom is. To balance an atom out, have the same amount of Electrons and Protons.
The change of potential energy into kinetic energy.