I think it is because the cold air is more dense than the hot air so the less dense air which is the warm air rises
Answer:
Refraction
Explanation: Reflection is when light bounces off a medium at an angle back to its source.
Refraction bends light, so when it's transmitted through a prism, light is refracted into the colors of the spectrum.
Answer:
It is the endoplasmic reticulum and the ribosomes of the specialized cells in the pancreas that make insulin
Explanation:
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Wings of butterflies and bats
Paleontologists use either the radiometric dating method or the relative dating method