The contact between the shale, which dominates the bottom part of this sedimentary sequence, and the sandstone, which dominates the upper part, is best described as

A. blurry.
B. sharp.
C. gradational.


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

River deposits are collectively called ____

A)alluvium B)fluvium C)bed loads D)saltations E)deltium

Environmental & Atmospheric Sciences

The relationship between the dung beetles and the disease-carrying flies is a type of

A) mutualism. B) commensalism. C) intraspecific competition. D) interspecific competition.

Environmental & Atmospheric Sciences

Why do hurricanes dissipate when they move over land?

A. The land is not warm enough to sustain the hurricane. B. The Coriolis force is not strong enough to sustain the hurricane. C. There is no longer enough evaporation and condensation to sustain the hurricane. D. Friction causes the hurricane to slow.

Environmental & Atmospheric Sciences

Non-renewable resources is to renewable resources as

Environmental & Atmospheric Sciences