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It is true that dead zones in waterways can occur as the result of fertilizer runoff.
<span>Osteoclasts
</span><span>Are derived from stem cells that produce macrophages
Secrete acids and protein-digesting enzymes</span>
Answer:
refrain from using or disposing of (something); retain for future use.
Explanation:
Answer:
Evolution
Explanation:
Evolution is a gradual change in a population that occurs overtime in a species.
