Cumulative Exam — Cumulative exam Answers

54 verified answers5 views
61
Free Preview

Which is a limiting nutrient for plant growth?

A
water
B
nitrogen
C
carbon
D
oxygen
62
Free Preview

Which change would be considered a short-term environmental change? Check all that apply.

A
an ice age
B
an El Niño storm
C
a small asteroid impact
D
a tsunami
E
mountain building
63

Which biomes receive less than 100 cm of rain each year? Select three options.tropical rain foresttemperate rain forestdeserttundragrassland

A
tropical rain forest
B
temperate rain forest
C
desert
D
tundra
E
grassland
65

Which of the following aspects of society is the least affected by limiting factors?

A
location
B
health
C
behavior
D
stability
66

What happens to water in the atmosphere as it rises?

A
It evaporates.
B
It condenses and forms clouds.
C
It combines with other gases in the air.
D
It is used up.
67

Which of the following is a possible cost of using renewable resources?

A
loss of animal species
B
land degradation
C
lower availability of freshwater
D
all of the above
68

Soil compaction results from _______.

A
the reduction or elimination of pore space in soil
B
the weight of heavy machinery on soil
C
livestock walking over soil
D
all of the above
69

Which of the following scenarios is representative of how agricultural practices can affect the environment?

A
increased oxygen levels in a pond due to fertilizer runoff
B
sediment accumulation in a body of water near a farm
C
soil compaction caused by tillage
D
increased plant growth caused by the application of herbicides
70

The percentage of a hunter-gatherer society’s diet provided by hunting versus gathering was mostly determined by _______.

A
the climate
B
the types of prey
C
hunting skill
D
the size of the human population
71

Which is most likely a source of air pollution?

A
littering
B
CFCs
C
oil spill
D
runoff
73

It is important to maintain septic systems in order to _______.

A
prevent treated sewage from contaminating groundwater
B
process human waste into fertilizer
C
prevent untreated sewage from contaminating groundwater
D
none of the above
75

Flooding on rivers is caused by human activity rather than natural events.

A
T
B
F
76

While an important source of freshwater, groundwater is not as widely used as rivers and springs.

A
T
B
F
77

Which of the following explains why energy use impacts quality of life?

A
Increased energy use leads to increased economic activity.
B
Decreased energy use leads to increased quality of life.
C
All facets of a quality life are energy dependent.
D
Energy use is unrelated to quality of life.
79

Which of the following statements about water policy is true?

A
The United States does not regulate water quality.
B
Policies regulating water pollution and water quality have eliminated environmentalists concern about water.
C
Current laws in place about water policy would eliminate water quality problems if they were enforced.
D
The Clean Water Act has helped reduce water contamination, but further efforts are needed to maintain water quality.
80

Which of the following best explains why marine debris is not caused solely by countries bordering the ocean?

A
Marine debris mostly originates from oceangoing ships.
B
Debris is carried to the ocean by winds, rivers, and storms.
C
Marine debris originates from natural sources.
D
None of the above

Did you find these answers helpful?