AnswersEnvironmental Science - SC2028 AEcology 101

Patterns in Systems Answers

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1
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Which of the following was the leading cause of global fossil carbon emissions in 2004?

A
petroleum
B
coal
C
natural gas
D
cement production
2
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Which of the following is not an advantage to tracking changes in the climate system?

A
forecasting weather
B
predicting natural disasters
C
tracking human impact on climate
D
preventing weather events
3

How are the carbon, nitrogen, and oxygen cycles similar?

A
They are all biogeochemical cycles.
B
They all involve an interaction between living and nonliving elements.
C
They are all part of the Earth system.
D
All of the above.
4

Why are a variety of instruments needed to measure change in the climate system?

A
A different type of instrument is needed for each different climate.
B
The climate system involves a number of different factors that are measured differently.
C
Climate is determined over a number of years, rather than a short period of time.
D
Different areas have developed different instruments to measure climate change.
5

There is a single instrument to measure climate change.

A
T
B
F
6

The radiosonde can be used to measure upper air temperature.

A
T
B
F
7

According to the GLOBE maps viewed online, it can be inferred that solar energy is not the only factor affecting average global temperature because _______.

A
the area between the equator and pole have distinct seasons that switch back and forth as the Earth orbits around the sun
B
the south pole experiences mild temperature fluctuations with large variations in solar energy while the opposite is true for the north pole
C
the poles have extremes in the level of solar energy and extremes in temperature
D
a and c
8

It is believed the major reason for the decline in amphibian species is _______.

A
death through disease
B
changing reproductive habits
C
mutation
D
climate change
9

Which of the following is not a use for a weather radar?

A
forecasting weather
B
locating precipitation
C
determining type of precipitation
D
measuring temperature
10

There is only one possible path for each stage in the rock cycle.

A
T
B
F
11

Where are rain gauges located?

A
on or near the ground
B
one meter above the ground
C
on weather balloons
D
on satellites
12

How do landfills contribute to global warming?

A
They keep people from recycling.
B
Animals become dependent on landfills for resources.
C
They take up valuable space.
D
They produce methane, a greenhouse gas.
13

Which of the following statements about biogeochemical cycles is not true?

A
Biogeochemical cycles include living and nonliving elements.
B
The rock cycle is a biogeochemical cycle.
C
Biogeochemical cycles are an important part of the Earth system.
D
Carbon, nitrogen, and oxygen cycles are biogeochemical cycles.
14

The amount of sunlight received at Earth's surface fluctuates more at the poles than the equator.

A
T
B
F

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