If 500 Units of Supplies Are Consumed When Output Is

question 25

Multiple Choice

If 500 units of supplies are consumed when output is at its high of 200, and 300 supply units are consumed during the low month when 150 units of output were produced, what will be the predicted consumption of supplies when output is 175 units using the high/low method?

• A) 350
• B) 375
• C) 400
• D) 450
• E) None of the above

Understand the concept and differences between primary and secondary succession.

Identify factors that influence ecological succession and community structure.

Recognize the impact of disturbances and stresses on ecosystems.

Differentiate between biotic and abiotic factors affecting communities.

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Definitions:

Longwall Mining

A method of coal mining where a long wall of coal is mined in a single slice, typically used in underground mines.

Smelting

The process of extracting a metal from its ore by using heat and a chemical reducing agent to decompose the ore, removing impurities.

Igneous Rocks

Rocks formed from the cooling and solidification of magma or lava, classified into intrusive (slow cooling inside the earth) and extrusive (quick cooling on the surface) types, such as granite and basalt.

Nonfuel Mineral Resources

Minerals found in the Earth's crust that are used for everything except fuel, such as metals, stone, and industrial minerals like gypsum and salt.