Which is not a key problem associated with the use of septic systems?
A. Contamination of groundwater by harmful pathogens
B. Contamination of groundwater by heavy metals
C. Contamination of groundwater by nitrogen
D. Contamination of groundwater by phosphorous
Answer: B
Environmental & Atmospheric Sciences
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More than one 100-year flood can occur in 100 years. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The use of a mixture of water, sand, and chemicals under high pressure to free oil and natural gas trapped between layers of shale rock formations is known as ____.
A. mud drilling B. rotary drilling C. high density pumping D. hacking E. fracking
Environmental & Atmospheric Sciences
The aurora usually occur more frequently above Maine than above Washington State
a. True b. False
Environmental & Atmospheric Sciences
_______ are underwater volcanic mountains
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences