1.The individual cells of plants, animals, bacteria and yeast can all be seen using a compound microscope.
2. Yes, microscope helped us in battling microorganisms in the field of medicine. Without microscope, we can't microscopic organisms that harms us.
Explanation:
Like CoVid-19, we can't see it but scientists uses high powered microscope to see its structure and formulate a vaccine that will protect us against the virus.
