They compress or expand depending on amount of pressure or depending on the temperature
I have no clue sorry maybe try applying the answers and questions then I'll answer for u
I'm not positive but if I'm reading the question right it would be the big bang sorry if I'm wrong
Answer:
The atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus
Getting it right because you do not want to spread false information. To be first isnt always the best, sure you might feel better being the first, but you won’t always get it right.