Earth rotation hope this helps
Well there are many words that can answer that. Is there a word box or hints towards the specific words? If not just say heavily.
Answer:
Helium
Explanation:
The sun produces energy by fusing hydrogen atoms into helium atoms. This is a nuclear fusion that occurs at the suns core.
Answer:
This is showing that the universe is growing and is possibly going to continue to grow or grow and collapse on itself creating a new universe.
Explanation:
