A slide of human blood cells was observed in focus under the low-power objective of a compound light microscope was switched to high power the image was dark and fuzzy. Which parts of the microscope should be used to correct this situation

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation:

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

c. establishing proper sleep hygiene

not: both offer magnification to the atomic level.