A salt water solution is 3.0% (w/w). How much salt is there in a sample which weighs 250 grams?
A) 1.2 grams
B) 1.5 grams
C) 3.0 grams
D) 7.5 grams
D
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One of the reasons biodiversity is such an important aspect of sustainability is the fact that
a. cycling chemicals maintains a ready supply of new materials for water, soil and food b. it is the ultimate source of energy for plants c. interactions among species provide population controls that limits ultimate population sizes of many species d. it provides water purification and topsoil renewable e. two of these answers are correct
How do ocean currents affect both water and air temperatures? Use the Humboldt Current and Gulf Stream as examples
What will be an ideal response?
The Coriolis effect causes ocean currents in the Southern Hemisphere to be deflected to the right of their path of motion
Indicate whether the statement is true or false
Why is pollution considered a geologic hazard?
A. It directly impacts human health. B. It may involve extraterrestrial phenomena. C. It involves nonrenewable resources. D. It always involves materials not found in nature.