Acids Can Enter Natural Waters Due to

Q4: Groundwater (from wells), unlike surface water, can

Q5: Groundwater (from wells) may contain<br>A)salt from use

Q6: Mercury poisoning can occur from consuming fish

Q7: Lead enters drinking water primarily from<br>A)improperly discarded

Q8: The recovery zone of polluted natural waters

Q10: Lakes generally evolve naturally over time in

Q11: Cold, clear lakes or streams with few

Q12: Water pollution can be<br>A)biological<br>B)chemical<br>C)biological or chemical<br>D)visible but

Q13: A "clean zone" of water has<br>A)a high

Q14: Anaerobes are forms of life which<br>A)can live