Which of the following is not a characteristic of Death Valley National Park?
A) a rare variety of desert lifeforms, including animals such a camels, cacti, jack rabbits, etc.
B) virtually no vegetation
C) widespread fans of stream-transported sand and gravel at the mountain bases
D) a gravitational anomaly due to low topography
Question 2
Which of the following is not a common cause and effect related to dust?
A) Swirling dust reduces visibility and causes highway accidents.
B) Vegetated land is changed to barren desert by windstorms.
C) Topsoil loses its nutrients and agriculture becomes less productive in a given area.
D) Cities experience hazy skies, even thousands of kilometers from dust storms.
