This cobble shows prominent scratches because ________

A) it was tumbled in a stream
B) it was scraped against other rocks in a glacier
C) it was blasted by wind
D) this was its shape when it was mechanically weathered from its source rock


Answer: B

Environmental & Atmospheric Sciences

You might also like to view...

To determine your specific impacts on the environment, one can ________

A) measure local air pollution and its impacts on your health B) calculate the biodiversity of your local community C) calculate your ecological footprint D) determine your current water pollution impact E) measure the volume and type of all the wastes you contribute to the municipal waste stream

Environmental & Atmospheric Sciences

The effects of tsunami are amplified in bays and river mouths

a. True b. False

Environmental & Atmospheric Sciences

Molten rock material below the surface of the Earth:a

lithosphere d. magma b. evaporite e. lava c. mantle

Environmental & Atmospheric Sciences

Computer models of hurricanes almost always agree on their predictions of a hurricane’s

movement and evolution. a. true b. false

Environmental & Atmospheric Sciences