4.6 billion years ago the earth formed
D or aka changes in the moons orbit
Hope this helps you
Answer:(We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? ... (The energy station of the cells, called mitochondria, process oxygen to power the cells. As part of the combustion process, carbon dioxide is released.)hope it helped in someway ig idk
Explanation:
It's called muscle spasticity. Or in common terms, muscle cramp.
Hope this helps.