Which of the following represents a physical change?
A) boiling water
B) decomposition of a dead organism
C) both a and b
D) neither a nor b
A
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Which of the following chemicals is most likely to be the limiting nutrient in the surface waters of the ocean?
A. calcium. B. silicon. C. carbon. D. phosphorous. E. cadmium.
What have climate scientists proposed to OPEC?
A) carbon market B) developing alternative sources C) fixed global price D) production quota E) cap and trade
Which seismic hazard is measured based on a comparison with the acceleration due to gravity?
Which seismic hazard is measured based on a comparison with the acceleration due to gravity?
- Ground shaking
- Landslides
- Liquefaction
- Tsunami
Which of the following types of damage from tropical cyclones originates farthest from the coast?
A) Flooding by rain swollen inland streams B) Storm surges that raise sea level C) High winds eroding local beaches D) Burial of neighborhoods by sand