If the Concentration of Gold in Seawater Is 2

question 93

Multiple Choice

If the concentration of gold in seawater is 2.0 milligram per ton of sea water and the mass of the ocean is 1.5 × 10¹⁸ tons,how much gold is in the ocean?

• A)3.0 × 10¹² kg
• B)3.0 kg
• C)300 g
• D)36 mg
• E)3000 lb

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Definitions:

Dynamic Inefficiencies

Inefficiencies in an economy or market that arise over time, often due to poor investment decisions or policies that hinder adaptation to new technologies or market conditions.

Pollution

The contamination of the environment by substances that are harmful to living organisms and natural resources.

Trucking Industry

An economic sector focused on the transportation of goods and materials over land, predominantly using trucks and professional drivers.

Average Social Cost

The total cost to society of producing an additional unit of a good or service, including both private costs and any external costs.