Two layers of limestone are found 200 kilometers apart. Give two lines of evidence that could show the layers are

correlated. What will be an ideal response?


1. The rocks have similar lithological characteristics. (color, grain-size, angularity, sorting,
and composition for the advanced student)
2. The same fossils are present in each layer indicating they are time correlated.
3. The sequence of rocks above and below each layer is identical to the sequence above and
below the other layer.

Environmental & Atmospheric Sciences

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The duration of strong ground shaking in the 1964 Alaskan Good Friday earthquake was 70 minutes. 

Answer the following statement true (T) or false (F)

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It appears that many barrier islands were formed in the past when ________

Fill in the blank(s) with the appropriate word(s).

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What is a set of mathematical equations that approximates how atmospheric temperature, pressure, winds, and moisture vary with time?

Environmental & Atmospheric Sciences

Humans can contribute to both the endogenic and exogenic processes shape the Earth

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences