An intrusive igneous rock has finer crystal grains than an extrusive igneous rock

Indicate whether the statement is true or false


FALSE

Environmental & Atmospheric Sciences

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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?

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

Fossil fuels are abundant in Precambrian rocks

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The Colorado Plateau is marked by peculiar, step-like bends in rock layers called ________.

A. mesas B. buttes C. cuestas D. hogbacks E. monoclines

Environmental & Atmospheric Sciences