Nitrous oxide (N20) is a gas sometimes used in dental offices. Which of these is the correct classification for nitrous oxide?
An element
An atom
A compound
A Mixture

Plss hel

N20 is an element because it is on the periodic table and doesn't have anything else attached to it. NO would be a compound because it has oxygen attached to it.

d statement

explanation:

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: