An intrusive igneous rock has finer crystal grains than an extrusive igneous rock
Indicate whether the statement is true or false
FALSE
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Is this area well drained or poorly drained and swampy? Explain your answer.
A sinuously curving, narrow ridge of coarse sand and gravel is called an esker. Eskers form along the channel of a meltwater stream that flows beneath a glacier, in an ice tunnel, or between ice walls beneath the glacier. As a glacier retreats, the steep-sided esker is left behind in a pattern roughly parallel to the path of the glacier. What will be an ideal response?
Our local group is composed of how many galaxies?
A. less than 100 B. less than 400 C. 1,526 D. less than 1,000
Fossil fuels are abundant in Precambrian rocks
Indicate whether the statement is true or false
The Colorado Plateau is marked by peculiar, step-like bends in rock layers called ________.
A. mesas B. buttes C. cuestas D. hogbacks E. monoclines