The from farmland is often contaminated with pesticides, herbicides, fertilizers, and oils used in farm equipment.
O A. ammonia buildup
B. runoff
C. acid rain
O D. livestock
SUBMIT

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

What is one affect on the australian environment due to the introduction of non-native european rabbits