Hydrogen
Hydrogen is identified by the glowing splint described in the question.
A barometer is used to measure the pressure in the air, Like if there was a Storm coming the barometer can forecast (Predict) The weather in the air
Answer:
c
Explanation:
touching a hot piece of metal. because the energy or the hotness of the pot is touching your hand which is a direct contact.
Answer:
B
Explanation:
The mechanism of this process: the electrolytic cell converts the electrical energy to chemical energy, using external energy source.