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Andrei [34K]
3 years ago
15

How did the banned substances DDT and PCBs end up in the ocean?

Biology
1 answer:
lbvjy [14]3 years ago
5 0

Answer:

PCBs and DDT are chemicals that were banned more than 30 years ago, but our air, water, land, and bodies are so contaminated that decades of cleanup efforts have yet to eliminate their threats to our health. Today, food is one of the most likely exposure routes to PCBs.

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8 0
4 years ago
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Answer:

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I hope this helps!

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5 0
3 years ago
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sergiy2304 [10]
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3 years ago
The amino acid sequence that makes up a protein is determined by:​
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Explanation:

6 0
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What could prevent sperm from reaching and fertillizing an egg?
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