Which is not characteristic of heating a house with passive or active solar energy?
A. medium net energy
B. very low carbon dioxide emissions
C. very low land disturbance
D. low installation and maintenance costs for active systems
E. moderate cost for passive systems
Answer: D
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A ____________________ rock forms when a pre-existing rock is subjected to high temperatures, high pressures, chemically active fluids, or a combination of these agents.
Fill in the blank(s) with the appropriate word(s).
This globe from the atmospheric moisture investigation shows specific humidity, with blue and green being highest. Which of the following parts of Africa has the lowest specific humidity?
A) The northern part
B) Along the equator
C) Along the entire east coast of the continent
D) Along the entire west coast of the continent
What is a main hazard of shield volcanoes?
a) hot fragments thrown a short distance from the volcano b) burning, building collapse, and suffocation from widely distributed pyroclastic material c) destruction by moderately fluid lava flows that can flow far from the volcano d) volcanic mudflows and landslides e) relatively small pyroclastic eruptions caused by localized explosions or collapse
Tiny plants and animals that float freely with ocean currents are termed _______________
Fill in the blank(s) with correct word