Answer:
A
Explanation:
It allows the cell to control what materials enter and leave.
Answer:
You can measure mineral hardness with The Mohs' Scale.
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Answer:
The biggest advantage is that they have a higher resolution and are therefore also able of a higher magnification (up to 2 million times). Light microscopes can show a useful magnification only up to 1000-2000 times. This is a physical limit imposed by the wavelength of the light.
Explanation:
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Answer:
Due to the density, it should sink further down.
Explanation: