Which of the following rock types has the lowest silica content?

a. rhyolite
b. andesite
c. basalt
d. gabbro


d

Environmental & Atmospheric Sciences

You might also like to view...

A solution of acetic acid is labeled 15%(w/v). How much water must be added to 30. mL of this solution to reduce the concentration to 5.0%(w/v)? [Assume volumes are additive.]

A) 30. mL B) 60. mL C) 90. mL D) 120 mL

Environmental & Atmospheric Sciences

The high salt content of the Dead Sea makes it remarkably easy for humans to float

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

A circular or oval fold in which the strata are up-arched and the marginal strata are ____________________ than those of the interior is known as a dome

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Which of these numbered features is an accretionary prism?

A. 1 B. 2 C. 3 D. 4 E. 5

Environmental & Atmospheric Sciences