Visualize five horizontal sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata is true?

A) Bed 4 is older than bed 2. B) Bed 3 is older than beds 2 and 4.
C) Bed 5 is the oldest. D) Beds l and 3 are older than bed 4.


D

Environmental & Atmospheric Sciences

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Using the analemma and the equation SA = 90° - AD calculate the solar altitude of the noon Sun at the following latitudes on the dates given:



Additional question:
1. In your own words, explain what you have calculated in problem 2c (explain what the answer means, not how it was calculated). Be as specific as possible.

Environmental & Atmospheric Sciences

Important sources of sand and gravel in glaciated terrain are ____

a. cols b. roche moutonnées c. eskers d. erratics

Environmental & Atmospheric Sciences

On a per capita basis, how many resources does the U.S. consume compared to the world's poorest countries?

A. 100 times B. 10 times C. 30 times D. 1000 times

Environmental & Atmospheric Sciences

Which of these is an example of an active remote sensing system?

a. video from unmanned aerial vehicles b. aerial photography c. near-infrared (NIR) imaging d. thermal infrared satellite images e. radar

Environmental & Atmospheric Sciences