The Rock Debris Which Accumulates at the Base of Steep

question 64

Multiple Choice

The rock debris which accumulates at the base of steep slopes by gravitational action is called_______ .

• A) creep
• B) exfoliation
• C) slump
• D) talus
• E) vesicles

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Definitions:

Nonrenewable Fossil Fuels

These are fuels like coal, oil, and natural gas, derived from the decomposed remains of plants and animals, that cannot be replenished within a human time scale.

Anthracite Coal

The highest grade of coal, known for its high carbon content, low volatility, and high energy content, used primarily for heating and in industrial processes.

Peat Coal

A precursor to coal formed from the partial decomposition of plant material in wet, acidic conditions, often used as fuel.

Synthetic Fuels

Man-made substances created to mimic traditional fossil fuels, often produced from coal, natural gas, or biomass, and intended to be a less polluting energy source.