Answer:
The two layers of glass provides protection from the heat of the lamp, and the water level moves down rapidly as the gas is collected.
This is the Answer for your question :3
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Natural selection is basically when organisms with the best traits survive and pass on their good traits to their offspring so that they will adapt easily and survive. Organisms who do not have ‘good traits’ that help them adapt and escape predators will be killed or eaten before they reproduce.
So in the end, natural selection is a form of evolution that allows the ‘fittest’ animals to survive and reproduce, while weeding out the unfit.
Answer:
To move in a circular or curving course or orbit: The earth revolves around the sun. to turn around or rotate, as on an axis: The wheel revolves slowly.
Explanation:
Organisms show dominant traits in most cases, hope this helps :)