environmental science 2

Question 1

which element is an important component in fertilizer?

Answer 1

nitrogen, potassium, phosphorus

Question 2

which of the following is not a concern of wind power?

Answer 2

Wind turbines increase air pollutants and green house gasses

Question 3

One advantage of hydropower over solar and wind power is.

Answer 3

Hydropower output can be raised or lowered to quickly meet demand

Question 4

Which of the following terms refers to the amount of material in a specific deposit/reservoir?

Answer 4

stock

Question 5

Fossil fuels make up roughly what percent of the world’s total energy consumption?

Answer 5

80%

Question 6

Which of the following is not considered part of a hydrocarbon system?

Answer 6

none of the above

Question 7

If the net flow rate of a given resource is negative, then the stock will

Answer 7

decrease

Question 8

Which of the following is not considered a fossil fuel?

Answer 8

none of the above

Question 9

Major obstacles to the implementation of nuclear power include:

Answer 9

all of the above

Question 10

Which material accounts for more than 90% of global metal production?

Answer 10

steel

Question 11

The majority of crude oil production is converted into what product?

Answer 11

gasoline

Question 12

Hydropower produces electricity without producing significant air pollution. However, hydropower has several negative environmental effects including

Answer 12

all of the above

Question 13

Between the years 1970 and 2005 the overall energy efficiency of the United States

Answer 13

doubled

Question 14

Nuclear power provides roughly what percentage of global total energy consumption?

Answer 14

6%

Question 15

Winds are driven by changes in atmospheric temperature and pressure.

Answer 15

true

Question 16

The exploitation of renewable resources is limited primarily by

Answer 16

exploitable flow

Question 17

In the United States most of the best geothermal resources are located East of the Mississippi river

Answer 17

false

Question 18

According to the Lawrence Berkeley National Laboratory, which of the following energy efficiency upgrades has the greatest annual return on investment

Answer 18

duct sealing

Question 19

Which of the following describe the advantages of producing biodiesel from switchgrass instead of corn?

Answer 19

all of the above

Question 20

Which of the following energy systems does not utilize the Earth’s solar energy flux?

Answer 20

geothermal power

Question 21

Carbon capture and sequestration is the process of injecting carbon dioxide into rock formations

Answer 21

true

Question 22

Burning coal accounts for what percent of the world’s electricity production?

Answer 22

40%

Question 23

Biofuel researchers are using an enzyme isolated from heat tolerant bacteria to break cellulose chains into their sugar components

Answer 23

false

Question 24

Which of the following is an advantage of using biomass instead of corn as a source of ethanol

Answer 24

all of the above

Question 25

What is the least expensive and most readily available non-renewable energy resource?

Answer 25

coal