1. Why have PCBs been so hard to clean up in Puget Sound and connected rivers? 2. What does the area by the storm water runoff drain in the Pacific look like? 3. Why is storm water runoff a problem for water pollution? 4. What are the arguments against regulations aimed at reducing water pollution? 5. How does land-use contribute to water pollution? 6. The video makes the case that all of us are polluters. Do you agree or disagree with this? Why? 7. Thinking about agriscience, what impact does water pollution have (or potentially have) for agriscience and agriculture? 8. What are some ways that agriscientists can contribute to reducing water pollution?

hmmmi don't even know the answer to your question.

1. One of the reasons PCBs have been hard to clean up from the puget sound is because they stay in the food chain. Once something is inside an animal it becomes much harder to remove from the environment than if it was just in water.

Explanation:

d. the weight of the book

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.