Early Chemists (Well, Neolithic Metals Workers Actually!) Discovered That Carbon

question 41

Multiple Choice

Early chemists (well, Neolithic metals workers actually!) discovered that carbon, such as coal or charcoal, could be used to convert metal salts into metals. What was the role of the carbon in this process?

• A) To react with oxygen in the air.
• B) To oxidize the metals.
• C) To burn away the oxygen in the metal salts.
• D) To act as a reducing agent.
• E) None of the above.

Analyze the positive and negative impacts of foreign investments in postcolonial countries.

Recognize the effects of globalization on cultural, economic, and social aspects.

Understand the concept of McDonaldization and its global implications.

Explore strategies that can be employed to combat global poverty.

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Definitions:

Opportunity Cost

The value of the best alternative that must be sacrificed in order to pursue a certain action.

Motorcycles

Two-wheeled vehicles powered by an engine, often used for both everyday transport and recreational activities.

SUVs

Sport Utility Vehicles; a category of motor vehicles that combine elements of road-going passenger cars with features from off-road vehicles, such as raised ground clearance and four-wheel drive.

Comparative Advantage

The ability of a country, individual, company, or region to produce a good or service at a lower opportunity cost than competitors.