Going to Class

question 68

Multiple Choice

Going to class

• A) helps students anticipate exam content.
• B) is only useful if the lecture is well organized and easy to follow.
• C) earns you higher grades because instructors give more points if they know you care about the course.
• D) is overrated.

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Definitions:

Coal

A natural, black or brownish-black sedimentary rock used primarily as a fuel source in electricity generation and steel production.

Petroleum

A liquid mixture of hydrocarbons that is present in certain rock strata and can be extracted and refined to produce fuels including gasoline, kerosene, and diesel oil.

Domestic Fuel

Fuels used for household purposes, such as cooking, heating, or electricity generation, which include natural gas, coal, and biofuel.

Net Energy Ratio

A measure comparing the amount of energy delivered by a system to the amount of energy used to build, maintain, and operate the system.