Luminosity is
A. the stars apparent brightness.
B. the stars total infrared output.
C. the stars particular color spectrum output.
D. the total amount of light energy that star emits into space.
Answer: D
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Assume you are a biologist and you have taken a job as a watershed manager. You are studying the characteristics of a particular stream as it leaves its source. The stream forms at the base of a mountain, from melting snow
It then travels through a transition zone and eventually drains into a river in a floodplain area. Describe how you will explain that the nutrient content of this stream is variable as it travels from its source to its drainage point. What will be an ideal response
Circulation in the sea occurs in what levels?
a. Surface currents b. Middle currents c. Deep currents d. All of the above e. Both a and c
Why would the effects of the storm have been so much more pronounced and long-lasting in Haiti than in the Dominican Republic?
A) The deforested areas in Haiti experienced increased volume and speed of rainfall runoff, causing mudslides and severe flooding. B) Because of the absence of forests, Haiti experienced stronger winds than the Dominican Republic. C) Haiti received much more rain than the Dominican Republic. D) The lack of forests in Haiti created a warmer land surface, which fed more heat energy into the hurricane, worsening the storm on that side of the island.
The majority of the water outside of the oceans is in the form of:
A) groundwater. B) glacial ice. C) lakes. D) streams. E) water vapor in the atmosphere.