There is a tremendous amount of gold dissolved in the ocean. Why is this amount not included when totaling the worldwide gold reserves?
A. It is uneconomical to extract.
B. International regulations prohibit it.
C. There is a lack of technological know how.
D. There are environmental concerns.
Answer: A
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Which country would be more likely to have a growing population?
A. One with a low disease rate B. One with a lower life expectancy. C. One with a high disease rate. D. One with high accident rates.
How many grams of sodium chloride are needed to make 15 L of a solution that has a concentration of 3.0 g per liter of solution?
A. 5 g B. 30 g C. 45 g D. 141 g
Headlands are the location of diverging wave action, whereas bays receive converging wave action
Indicate whether the statement is true or false
Which of the following is true of the relationship between density expressed in g/mL and specific gravity?
A) They have different numerical values and different units. B) They have the same numerical value and the same units. C) They have the same numerical value but specific gravity is dimensionless. D) They have the same units but different numerical values.