Archive for Scientists

please help me with these problems?

the_man asked: How do scientists measure the quality of our waters?

Give two reasons why scientists measure water’s temperature.

What is Dissolved Oxygen?

Why is D.O. important »»

please help me?

the_man asked: http://www.epa.gov/owow/monitoring/nationswaters/whatdo.pdf

Why do scientists test water’s turbidity?

Why are scientists concerned about the presence of fecal coliforms in a stream or lake?

How does a »»