The resistance of some rocks to erosion is the reason sea cliffs, stacks, and arches are so uneven in
their characteristics.
ANS: T
Some hard rocks are able to resist erosion. Softer rocks like sandstone erode relatively quickly.
Information can be found in the section Erosional Processes Dominate Some Coasts
You might also like to view...
Using both primary and secondary petroleum recovery techniques, what proportion of the oil in an oil field is usually pumped out?
A. 1/3 B. 1/2 C. 2/3 D. all of it
Rift Valleys mark zones where tectonic plates
B. collided C. slid past each other D. none of the choices are correct
Temperature inversions are rare in polar regions
Indicate whether the statement is true or false
Which statement correctly describes rock-forming minerals and economic minerals?
a. Rock-forming minerals consist of a few types of minerals that are sparse in Earth's crust, whereas economic minerals are very abundant and are used extensively in the manufacture of products. b. Only minerals that are not rock-building minerals can have economic value. c. Silicates are important economic resources and include gypsum, which is used for plaster. Nonsilicate minerals are only important as rock-building minerals. d. Economic minerals consist mostly of silicate minerals, whereas rock-building minerals consist mostly of nonsilicates. e. Rock-forming minerals consist of a few types of minerals that are abundant in Earth's crust, whereas economic minerals are less abundant and are used extensively in the manufacture of products.