Which of the following is an inflow to an urban ecosystem?
A) polluted water
B) polluted air
C) heat
D) natural resources
E) solid waste
Answer: D
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You slowly rub your wet finger around the thin rim of a wine glass while you hold its base firmly to a tabletop with your other hand. The resulting sounds illustrates
A. forced vibrations. B. forced vibration and resonance. C. diffraction of sound. D. interference of sound.
The only temperature scale that relates changes in internal energy to the absolute amount of heat gained or lost by a system is the
A) Fahrenheit scale. B) Celsius scale. C) Centigrade scale. D) Kelvin scale.
Which of the following is NOT considered good seismic design?
a. installing steel reinforcing rods in concrete structures b. bolting frame houses to the foundation c. nailing plywood sheeting over a wood frame d. attaching wall framing to the sill with metal L braces e. mixing cement with as much sand as possible
Define a flow
What will be an ideal response?