Did the Earth's surface look the same in the Jurassic Period as it does today, and why?
a. Yes, because of the principle of uniformitarianism
b. No, because the Earth is a dynamic system
c. No, because the global climate change
d. Yes, because physical processes that operate in the modern world also operated in the past at roughly the same rates
Answer: b. No, because the Earth is a dynamic system
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A soil composed of well-rounded sand grains of uniform size will most likely have a
A) high porosity. B) low porosity. C) high permeability. D) low permeability.
Weathered material that remains in its place of formation is called
A) residual soil B) transported soil C) expansive soil D) horizontal soil
Which of the following polymers is a polyamide?
A) Lexan B) Dacron C) Nylon-66 D) Mylar
Which greenhouse gas is found in great quantities in permafrost soils?
A. Nitrous oxide B. Ozone C. Methane D. Carbon dioxide