Are tiny, one-celled creatures that get nutrients from their environments in 5 points order to live. Some infections they can cause include ear infections, sore
throats (tonsillitis or strep throat), cavities, and pneumonia
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protozoa
nuclear microbes
bacteria
virus

atp is used for energy.

satellites are frequently used to make observations of the orbit on earth

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.