Environmental Engineering Reference
In-Depth Information
C.
Developing nations consume less energy due to increasing wealth.
D.
Developing nations consume more energy due to increasing affluence and access to energy.
E.
Developing and developed nations consume about the same amount of energy.
97.
Nitrogen fixation is a necessary part of the nitrogen cycle because
A.
Atmospheric nitrogen cannot be used directly by organisms.
B.
There is not enough nitrogen in the atmosphere.
C.
Nitrogen needs to be combined with phosphorus.
D.
Bacteria needs to be created to help with plant growth.
E.
Nitrogen in the soil needs to be fixed to go back to the atmosphere.
98.
When referring to energy, Earth is considered to be
A.
A closed system
B.
An open system
C.
A positive feedback loop
D.
In homeostasis
E.
Unbalanced
99.
A newly developed wind farm is working at full capacity. One wind turbine generates 2000 kW of
power per day. If there are 50,000 turbines, how many megawatts of energy could be produced in one
day?
A.
1 × 10
4
B.
1 × 10
6
C.
1 × 10
8
D.
2.5 × 10
6
E.
2.5 × 10
8
100.
Geothermal energy is considered to be renewable, but why is it not truly a sustainable supply of en-
ergy?
A.
Geothermal energy relies on the sun's energy.
B.
Geothermal energy can be harnessed only from geysers.
C.
Geothermal energy provides less power than solar, wind, and biomass energy.
D.
Geothermal activity shifts naturally, so the location of the heat produced may not always be the
same.
E.
Geothermal energy produces more emissions than fossil fuels.
If you finish before time is called, check your work on this section only. Do not work on any other section in
the Test.
