You observe a dark colored igneous rock with very fine crystals that are only visible under

magnification. What can you say about this rock?
a. It cooled slowly in a magma chamber.
b. It cooled quickly in a magma chamber.
c. It cooled slowly on Earth’s surface.
d. It cooled quickly on Earth’s surface.
e. It was ejected as a fine ash and later cemented together.


D

Environmental & Atmospheric Sciences

You might also like to view...

Which layer of the Earth is the thickest?

A) Crust B) Mantle C) Outer core D) Inner core

Environmental & Atmospheric Sciences

Along which type of tectonic boundary will greenschists and blueschists form?

A) Transform B) Convergent C) Divergent D) Failed rift zone

Environmental & Atmospheric Sciences

How many enclaves are in the border region between India and Bangladesh?

A) less than 10 B) 25 C) 100 D) more than 250 E) none of the above

Environmental & Atmospheric Sciences

The most common metallic air pollutant is

A. Cadmium B. Nickel C. Mercury D. Lead E. Iron

Environmental & Atmospheric Sciences