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
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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.
Important sources of sand and gravel in glaciated terrain are ____
a. cols b. roche moutonnées c. eskers d. erratics
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
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