Your answer is<em> </em><u><em>D.</em></u> thanks i hope this helps. have a good day!
Answer:
Convection current
Explanation:
Convection currents occur when a heated fluid expands, becoming less dense, and rises. The fluid then cools and contracts, becoming more dense, and sinks
Hot air rises because when you heat air (or any other gas for that matter), it expands. When the air expands, it becomes less dense than the air around it. The less dense hot air then floats in the more dense cold air, the cold air due to its greater density moves downward, and the cycle continues, this upward and downward movement is called convection current.
Answer:
The best follow-up question to make in this case would be: what has been done to change the signaling systems to locate the origin of a fire, especially so that the firefighters can get to it without depending on information given by a person.
Explanation:
Answer:
yes
Explanation:
What has 4 letters, Sometimes has 9 letters, but Never has 5 letters
