Answer:
a biological community of interacting organisms and their physical environment.
Explanation:
What visual you have evidence would he have to see on the microscope slides to support his claim: moving components
What would be the source of the bubbles? oxygen creation
If the size of a cell increases it will be more difficult (all other things being equal) for diffusion to transport materials out of the cell. Therefore, less of the cell's interior will be able to come in contact with the cell's surface. If less of it comes in contact, less of it can cross the cell membrane.
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Answer:
the younger rock is on the top because that is where the newer rocks form the older rock is on the bottom
Explanation:
