Answer:
Both require a vacuum and a compound microscope has greater magnification ability than a simple microscope.
Explanation:
It will get lower since the pressure around the barometer gets lower
I believe it's "pollen".
When the pollen grains are washed down into lakes/rivers, scientists can take a sample of the sediment layers and see what plants were growing at that time. They can then make inferences about the climate and how that affected the plants growing there.
Hope this helps!
