Another gas that was used to fill balloons was hydrogen. The reason why hydrogen is not used today is because it use to cause many fires when it was used to fill balloons up.
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Answer:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix.
The energy associated with an object's motion is called kinetic energy. Kinetic energy is the energy of motion. All moving objects have kinetic energy
Explanation:
Answer:
I think its the last one
Explanation:
its supposed to be H 2 O 2.
C3H8 + O2 (please give me brainliest$
Carbonic acid is produced when a strong acid reacts with the bicarbonate buffer system in the human body.
