The constant that determines the relationship between stress and strain in elastic materials is called the:
a. angle of internal friction
b. cohesion
c. Young's modulus of elasticity
d. shear strength
c
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The amount of biodiversity in tropical deserts is comparable to that found in tropical forests.
Answer the following statement true (T) or false (F)
"All glacial ice must melt slightly before it can become denser." Evaluate this statement
A) This statement is true; especially in Alaska where summers are warm. B) This statement is true. Glacial ice formed by melting and pressure becomes denser than water. C) This statement is false. Snow can go through metamorphosis to ice over time without melting. D) This statement is false. Glacial snow and ice may melt and reform, but they do not get denser.
Which planets have more moons?
A. Jovian planets B. terrestrial planets C. dwarf planets
Which of the following best describes the movement of a glacier?
A. Glaciers never move up an incline, but always down a land slope. B. Glaciers move during periods of climate cooling, such as an ice age and are stationary during warmer periods. C. A glacier typically moves slowly, on the order of a few tens of meters per year, although faster movement, called surging, can occur in alpine glaciers. D. A glacier typically moves rapidly, on the order of several kilometers in a season.