GPS readings of longitude and latitude are based on:
A. NAD29
B. WGS84
C. NAD83
D. none of these is correct
Answer: B
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Why might a small piece of chalk made of calcium carbonate be useful for alleviating acid indigestion?
A) Calcium carbonate is a base that reacts to neutralize any excess acids. B) Calcium carbonate is able to absorb excess acid and carry it out of the system. C) Calcium carbonate is able to add an extra lining to the stomach to protect it from the excess acid. D) Calcium carbonate is able to turn the acid into a gas which can relieve the build-up of excess acid.
A group of individuals of a single species that lives in a specific area make up a(n)
A) population. B) community. C) ecosystem. D) food web.
Most of the electromagnetic spectrum consists of visible light
A) True B) False
Imagine you are a geologist standing in front of a large outcrop of sandstone, shale, and limestone layers. It is your job
to determine the depositional environment(s) and paleogeographic history of the area. What are four pieces of information needed to make a determination, and how will those pieces of information help you make a determination? Fill in the blank(s) with the appropriate word(s).