Answer:
1678
Explanation:
In 1678, Antoni van Leeuwenhoek reported that he had observed "little animals" — protozoa — through a microscope. The discovery of the cell was made possible by the invention of the microscope, which was made possible by improved lens-grinding techniques.
The answer should be C I hope this helps
Answer:
I hope this helps and if not I'm truly sorry
Explanation:
2
Percent composition by element
Element Symbol # of Atoms
Barium Ba 1
Hydrogen H 2
Oxygen O 2
Answer:
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Explanation:
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