Identify the anthropogenic sources of phosphorus, and explain why they are a problem
What will be an ideal response?
The major anthropogenic source of phosphorus is effluent from sewage treatments, which tends to be phosphate rich. Fertilizers also provide large amounts of anthropogenic phosphorus, and many detergents play a part as well. Introduction of phosphates from all of these sources into surface waters causes eutrophication and algal growth, leading to murkier waters, hypoxic zones, and other changes in the structure and function of ecosystems.
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If you pile up dry sand, it will always have a slope angle of about 35 degrees? What is this angle
called? a. dip slope b. dip angle c. angle of repose d. angle of inclination e. angle of declination
Recycling materials such as steel and other metals can help industries save energy and money.
Answer the following statement true (T) or false (F)
Landslides can be caused by adding soil moisture
a. True b. False
The tabular icebergs are formed from sea ice.
Answer the following statement true (T) or false (F)