Answer:
Treatment of industrial effluents through the extraction of pollutants before discharge to the rivers
Explanation:
Water contamination is the addition of undesirable materials into rivers, lakes and other bodies of water. Polluted water is unclean and unsafe to use therefore policies are designed to reduce water contamination that possesses risk to human health.
An organism killed by oxygen is known as obligate anaerobes
Answer:
A. are all elements the rest are combinations of elements
Answer: its b i just got done with it
Explanation:
Answer:
c. independent variable
Explanation:
#<em>c</em><em>arryonlearning</em>
