Which of the following is a modern descendant of the gymnosperm plants of the Mesozoic?
A) Orchids
B) Junipers
C) Lichen
D) Oaks
Answer: B
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The wavelength of incoming radiation compared to outgoing radiation is:
A) incoming has a longer wavelength than outgoing. B) incoming has a shorter wavelength than outgoing. C) the wavelength is equal between the two. D) outgoing has shorter wavelength than incoming.
The catalytic converter in your car is responsible for decreased levels of
A) carbon monoxide, VOCs, and nitrogen oxides in the air you breathe. B) carbon dioxide and nitrogen in the air you breathe. C) carbon monoxide and carbon dioxide in the air you breathe. D) carbon dioxide and nitrogen oxides in the air you breathe.
Viscosity is the measure of a fluid's resistance to a flow. Which of the following factors affect the viscosity of magmas?
A. elevation and density B. water and SiO2 content C. temperature and SiO2 content D. density and temperature E. density and water content
Under what circumstances would the National Weather Service issue a tornado watch?