October 5, 2015

Homework Help: bio lab

Posted by jack on Thursday, March 13, 2008 at 12:01am.

Among 4 choice, which is have most concentration of nitrites ? (reason to causing blue baby syndrome)

A. A brand new subdivision of high-priced “McMansions,” complete with golf course, tennis courts and swimming pool.

B. A textile plant that produces Braves T-shirts.

C. An organic farm with a herd of 50 cows and a 10-acre field of zucchini.

D. A mountain lake that has become overgrown with algae.

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