An Increase in the Amount of Particulate Matter (Dust and Smoke)

question 16

Multiple Choice

An increase in the amount of particulate matter (dust and smoke) in the atmosphere may result in cooler world temperatures because

• A) more sunlight is absorbed by Earth.
• B) more infrared radiation is emitted into space.
• C) the dust reflects solar radiation.
• D) dust reacts with ozone in an exothermic reaction.

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Definitions:

Monocline

A geological fold in which all layers are inclined in the same direction, forming a step-like structure in the Earth's strata.

Regional Metamorphism

Metamorphism affecting large areas of the crust, typically as a result of high pressures and temperatures associated with tectonic processes.

Contact Metamorphism

Metamorphism that occurs when rock is heated and chemically altered by the close proximity of magma.

Extension

A geological process in which the Earth's crust is stretched, leading to the formation of faults and rift valleys.