This feature in the rock record represents a gap in geologic time caused by removal of some of the rock units.

  1. Cross cutting relations
  2. Fossil correlation
  3. Original horizontality
  4. Superposition
  5. Unconformity


Unconformity

Environmental & Atmospheric Sciences

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Does radiational cooling at the ground at night act to increase or decrease atmospheric stability? How does daytime heating at the ground during the day affect atmospheric stability?

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following disasters has the highest probability of causing a "1,000-fatality event" each year?

A. a flood B. a tornado C. a hurricane D. a volcanic eruption E. an earthquake

Environmental & Atmospheric Sciences

Tsunami are usually caused by

A) Milankovich cycles. B) global warming. C) earthquakes. D) Earth's changing orbit.

Environmental & Atmospheric Sciences

Weight of ice on Antarctica has isostatically depressed the continent, and thereby increased the depth of water

at the shelf break. a. True b. False

Environmental & Atmospheric Sciences