It should be read or reflect!
Answer:
B - radioactive nucleotide
Explanation:
i got it correct
sludge
<span>Sewage treatment is also known as wastewater treatment. It is
a process whereby contaminant is removed from wastewater. Thus, chemical,
biological and physical process are commonly used to remove contaminants from
wastewater and the by-products of wastewater treatment is usually inform of
solid waste known as sewage sludge.</span>
Worms don't have lungs. They breathe through their skin.
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