alonnachambon
07.03.2020 •
Chemistry
Can y’all help me please
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Ответ:
A
Explanation:
Conduction is when there is a transfer of heat through matter by way of kinetic energy.
Basically, it's when something is touching something else. In this case, the spoon was physically touching the ice cream, so it's conduction, not convection.
Convection is related to air currents. When hotter, and therefore, less dense material rises and colder, denser material sinks, both due to gravity, this will result in the transfer of heat energy. It's how the ocean has currents, and is the reason that convection ovens don't need to preheat when cooking food.
But it's not the spoon thing.
Ответ:
plz mark as brainliest
Explanation:
OZONE
Earth keeps a nearly steady temperature, because it makes heat in its interior. In other words, Earth has been losing heat since it formed, billions of years ago. But it’s producing almost as much heat as it’s losing. The process by which Earth makes heat is called radioactive decay.