Exam 2

Question 1

T/F Climate change is considered as a threat multiplier

Answer 1

True

Question 2

We now have mosquitoes that carry ______ are now in Florida.

Answer 2

Malaria

Question 3

T/F Transmission of many communicable diseases are directly influenced by temperature.

Answer 3

True

Question 4

In the US, we used to have two heatwaves per year in the 1960s, whereas, now, we experience ___ heatwaves per year.

Answer 4

6

Question 5

By 2050, if there is no action is taken, there will be more than ____ million internal climate migrants across sub-Saharan Africa, South Asia, and Latin America.

Answer 5

143

Question 6

It is predicted that by 2050, ___ to ___ inches rise of sea level will happen in the Gulf Coast

Answer 6

14, 18

Question 7

In the US, displacement due to sea level rise happened in ______.

Answer 7

Isle de Jean Charles

Question 8

T/F A natural change of 100 ppm carbon dioxide takes 100 to 500 years.

Answer 8

False

Question 9

Milankovitch cycles can cause variations of up to ____ percent in the amount of incoming insolation at Earth’s mid-latitudes.

Answer 9

25

Question 10

Earth’s obliquity varied between ___ degrees and ____ degrees over the last million years.

Answer 10

22.1, 24.5

Question 11

The length of the longest ice core is ___ km

Answer 11

3

Question 12

Atmospheric carbon dioxide level never went beyond ____ ppm for almost a million years before 1911.

Answer 12

300

Question 13

After a pulse of carbon dioxide is emitted into the atmosphere, around ____ will remain in the atmosphere for more than 100 years.

Answer 13

30%

Question 14

T/F Glass allows both transmission of energy from sun and reradiation from earth’s surface.

Answer 14

False

Question 15

The past 10,000 years is known as ______ epoch.

Answer 15

Holocene

Question 16

Before industrial revolution, carbon dioxide concentration was about ____ ppm.

Answer 16

280

Question 17

Regular ice ages have warm period in between about every _____ years

Answer 17

41,000

Question 18

Past temperature can be measured from ice core air bubbles through _____ isotope analysis.

Answer 18

Oxygen + Hydrogen

Question 19

During the age of dinosaurs, the average global temperature was around ____°C warmer than now.

Answer 19

5

Question 20

IPCC reports indicate that by 2100 the global average temperature will be __°C to __°C warmer than it was in 1900.

Answer 20

3, 4

Question 21

Disadvantages of solar energy

Answer 21

High upfront cost of installation

Energy storage is expensive

Discontinuous supply of energy

Question 22

What region is not suitable for wind energy

Answer 22

Southeast US

Question 23

T/F We can generate heat energy from solar panels, in addition to electrical energy.

Answer 23

True

Question 24

Solutions to the energy storage problem for solar and wind energy

Answer 24

Pumped storage hydropower

Gravity energy storage

Question 25

What ocean existed in the place of current middle east?

Answer 25

Tethys

Question 26

Majority of the current oil reserves formed in the Mesozoic era because this era was dominated by _____.

Answer 26

tropical climate

Question 27

T/F Solar panels must be oriented toward north in the Northern Hemisphere.

Answer 27

False

Question 28

For self-cleaning, the solar panels need to be inclined ____ to ____ degrees.

Answer 28

15, 40

Question 29

No commercial installation exists for ____.

Answer 29

ocean current energy

Question 30

Solar cells produce ____ current.

Answer 30

DC

Question 31

Oil and natural gas are fossilized ___.

Answer 31

marine plankton

Question 32

T/F Biomass is a carbon free energy source.

Answer 32

False

Question 33

Although only a few nuclear disasters happened in the world, it is not considered a safe energy source in relatively smaller countries because ______ + _______.

Answer 33

Nuclear waste is highly poisonous

Nuclear disaster affected areas can be uninhabitable for thousands of years

Question 34

T/F Liquid oils can be derived from biomass.

Answer 34

False

Question 35

T/F Wind energy production is cheaper than the energy produced from natural gas.

Answer 35

True

Question 36

A generator is a device that converts _____ energy into ______ energy.

Answer 36

mechanical, electrical

Question 37

Which area is the most suitable for solar energy production?

Answer 37

Arizona

Question 38

Approximately ______ of national electricity comes from solar energy in the USA.

Answer 38

5%

Question 39

Hydroelectric plants convert ______ energy to ______ energy.

Answer 39

Potential, kinetic

Question 40

T/F Hydroelectric power is actually not a renewable energy.

Answer 40

False

Question 41

Which country is not in the top five countries that produces wind power?

Answer 41

Turkey

Question 42

What is the standard technology for electricity generation from waves?

Answer 42

Oscillation water column