Answer: nebula, dwarf, star, red giant white
Explanation: i actually have no clue if this is correct sorry
D - Enormous energy requirements
Answer:
The foaming in the elephant toothpaste demonstration means that a gas is produced. Production of a gas is a clue that a chemical reaction has occurred. The water vapor in the genie-in-a-bottle demonstration also shows the production of a gas.
D. anticodons................