Answer:
POPs are lipophilic, which means that they can be stored in fatty tissues for long periods of time.
Explanation:
A. Community.
This is because a community contains living this, and biotic means living.
Coal, oil and natural gas carbon dioxide (CO2)
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- To keep our oxygenated blood and our deoxygenated blood separate.
Having 4 chambers allows these 2 types of blood to reach their appropriate destination without getting mixed up.
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