I cannot find this in my book. Perhaps you could give me a web site to refer to

It is estimated that industries and sewage treatment facilities discharge into the Chesapeake an amount of waste water equal to ____% of the volume of the bay annually

a. 5
b. 10
c. 15
d. 20
e. 25

To find the answer to this question, you can try searching for reliable sources online. I would recommend starting with reputable websites such as environmental agencies, government websites, or research organizations that focus on the Chesapeake Bay and its ecosystem.

You can use search engines like Google and enter keywords such as "Chesapeake Bay wastewater discharge," "industrial and sewage treatment waste water in Chesapeake Bay," or any similar variation that suits your needs.

By searching through different websites and sources, you should be able to find the information you are looking for. Make sure to cross-reference information from multiple sources to ensure accuracy.

As an AI language model, I don't have real-time access to the internet, but using the suggested search process should help you find the answer to your question.