How Do Freezing, Thawing, Wetting, and Drying Contribute to Soil

question 18

Multiple Choice

How do freezing, thawing, wetting, and drying contribute to soil creep?

• A)Gravity exerts a much stronger force when the soil is wet and thawed.
• B)The soil expands and contracts, lifting particles and dropping them a slight distance downslope.
• C)Eventually, these cause the soil and regolith to suddenly slide down the slope.
• D)The soil becomes much weaker when dry and frozen.

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Definitions:

Porta Marzia

An ancient Etruscan gate located in Perugia, Italy, notable for its monumental structure and sculptural decorations, dating back to the 3rd century BCE.

Etrusco-Roman

Pertaining to the cultural, art, and historical amalgamation characteristics observed between the Etruscans and the Romans.

Pilaster

A flat, rectangular, vertical member projecting from a wall of which it forms a part. It usually has a base and a capital and is often fluted.

Regolini-Galassi Tomb

An ancient Etruscan tomb discovered in Cerveteri, Italy, known for its rich grave goods and insights into Etruscan culture and burial practices.