Three Ways to Order Your Science Supplies

Online - Pay by credit card, check or your account.

By Phone - Call us at 800.628.7748
Mon.- Thurs. 7:30 -12:00, 12:30-3:00 pm EST, Fri.Closed

 

By Fax - Fax your order with our
pdf form.

Our Environment Battles Water Pollution

PUB6854

1969. Dr. Charles E. Renn. This lively text traces a theoretical river from its origin as a mountain brook to its discharge into a marine estuary. Examines the chemical and biological changes that occur as the stream reacts to impurities from natural and industrial sources. 32 pages, soft cover.

Go back