________ refers to the total amount of dissolved materials in water
Fill in the blank(s) with correct word
Salinity
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A. africanus appeared about 3.0 million years ago and is very similar to A. afarensis except for a few
minor details. Indicate whether the statement is true or false.
What is the term for ocean components not accounted for by the weathering of continents?
A) Conservative constituents B) Excess volatiles C) Nonconservative constituents D) Trace elements
Which of the following is NOT true about acid precipitation?
A) It kills the flora and fauna in lakes. B) It injures plants by depriving them of nutrients on land. C) It corrodes marble and limestone buildings. D) It converts CFCs to acid. E) It has had the highest concentrations in the eastern states of the United States.
Which size of coupling are the outlets on most fire hydrants sized to fit?
a. 4" b. 2 1/2" c. 3" d. 3 1/2"