Warmer, colder
Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature.
Warmer fluid is less dense so it rises and colder fluid is more dense so it sinks.
<span>ammonium nitrate is found in fertilizers</span>
Penicillin was an accidental discovery I believe
Answer:
Africa or any middle Asia
Explanation:
Because the weather is dependent on the sun... In the morning when there is sun, it gets much hotter and warmer...
In the night when the sun is gone the temp gets little lower and make it colder
