The answer would be B, flapping ability.
Answer:
Hydrogen Gas
Explanation:
The hydrogen gas now in the test tube is flammable. So when I hold the tube over the flame, the hydrogen gas ignites and creates a popping sound. It is like a tiny bomb or fireworks.
Hope this helped! :)
Answer:
The law of conservation of mass
Explanation:
The law of conservation of mass
After 4-6 months but i'm happy for you