What is the mass of salt in a 400.-gram sample of salt water which is 1.50% (w/w)?
A) 1.50 grams
B) 2.67 grams
C) 3.00 grams
D) 6.00 grams
D
Environmental & Atmospheric Sciences
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Holoplankton spend only their larval stages in the plankton.
Answer the following statement true (T) or false (F)
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When riding your bicycle at twice your normal speed your momentum is
A. four times as much. B. almost twice. C. twice as much. D. none of the above
Environmental & Atmospheric Sciences
A repetitive act of a group, performed to the extent that it becomes characteristic of the group is known as
A) habit. B) popular culture. C) folk culture. D) custom. E) daily necessity.
Environmental & Atmospheric Sciences
If the trends in pesticide use over the past 30 years continue, we can expect that pesticide use will
A) drop to near zero in the next decade. B) continue to decrease slowly. C) increase gradually. D) double in the next 10 years.
Environmental & Atmospheric Sciences