This topic contains a solution. Click here to go to the answer
|
Author Question: Algae and protozoa in the soil are quite hardy, and therefore their abundance is not a useful ... (Read 1438 times) |
Did you know?
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The human body produces and destroys 15 million blood cells every second.