Which of the following is a source of groundwater pollution?

Underground storage tank leakage

Which statement about persistent chemicals is correct?

They can be stored in organisms for long periods

In an antagonistic reaction between chemicals:

One material interferes with the effects of other chemicals

What happens when trees are cut down during deforestation?

Stored carbon is released into the atmosphere

What is a benefit of cities regarding energy efficiency?

They improve efficiency because people live closer together

How do trees benefit human health?

They reduce mental health issues

What are fossil fuels primarily made from?

Remains of ancient living organisms

Land that can be used to grow crops

In marine ecosystems, the photic zone is defined as:

The area where sunlight penetrates

Biomagnification refers to:

The concentration of toxins increasing up the food chain

What is synergistic reaction?

One substance makes another's effects worse

What is the primary purpose of Euclidean zoning?

To separate residential areas from industrial pollution

What effect do oxygen-depleting wastes have on water quality?

They lead to breakdown in water quality through bacterial decomposition

What is a key characteristic of non-point source pollution?

It cannot be readily identified to a single source

According to the U.S. standards, what is considered "no reasonable harm" for food and medicines?

Less than ONE cancer patient per ONE MILLION people

Why do some consider nuclear fuel a fossil fuel?

Its non-renewable like fossil fuels

The does at which 50% of organisms would die

What is urbanization?

When the population is concentrated in cities

What is the primary reason educated women tend to have fewer children?

They have more economic independence and family planning knowledge

What is infrastructure?

Basic facilities and services that support a community

Regarding US oil imports, which statement is most accurate?

The U.S. has diverse import sources

What is the main principle of sustainability?

Meeting present needs without compromising future generations

Under what conditions are fossil fuels formed?

High temp. and pressure without oxygen

What characteristic of the tundra biome makes it particularly challenging for plant growth?

Permafrost layer beneath the surface

How are natural pollutants different from other types of air pollutants?

They don't lead to permanent atmospheric changes

What is the primary definition of water pollution according to the text?

When water quality changes due to human activities

What is the primary composition of Earth's normal atmosphere?

79% nitrogen, 20% oxygen, 1% other gases

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environmental sci. 4th block

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Questions 108

Answers

1
Which characteristics is true of all fossil fuels?
They are non-renewable
They are renewable
They are sustainable
They are clean-burning
2
How do suspended matter particles affect water bodies?
They purify the water
They make water warmer
They later water flow speed
They increase oxygen levels
3
What adaptation helps desert plants reduce water loss?
Tall stems
Waxy cuticle
Shallow roots
Broad leaves
4
Which of the following is a source of groundwater pollution?
Underground storage tank leakage
Cloud formation
Wind patterns
Natural springs
5
Which statement about persistent chemicals is correct?
They always degrade quickly in nature
They pose no long-term environmental threats
They can be stored in organisms for long periods
They are only found in industrial settings
6
Which historical event marked the first major air pollution disaster?
The London Smog of 1952
King Edward 1's anti-pollution law
The Bhopal gas leak
The Industrial revolution
7
In an antagonistic reaction between chemicals:
The chemicals neutralize each other completely
One material interferes with the effects of other chemicals
The effects of chemicals are multiplied
Both chemicals become more toxic
8
What happens when trees are cut down during deforestation?
Oxygen levels increase
Greenhouse gases decrease
Stored carbon is released into the atmosphere
Carbon is permanently stored
9
What percentage of land plants and animals live in forests?
70%
80%
90%
60%
10
What is a benefit of cities regarding energy efficiency?
They improve efficiency because people live closer together
They require more energy per capita
They eliminate the need for infrastructure
They increase individual energy consumption
11
How do trees benefit human health?
They reduce mental health issues
They increase air pollution
They increase stress levels
They promote skin damage
12
What are fossil fuels primarily made from?
Synthetic materials created in labortories
Volcanic rock formation
Modern plant matter
Remains of ancient living organisms
13
What is arable land?
Land used for housing
Land that can be used to grow crops
Land used for industrial purposes
Protected wilderness areas
14
In marine ecosystems, the photic zone is defined as:
The area where sunlight penetrates
The intertidal region
The deepest part of the ocean
The ocean floor
15
Biomagnification refers to:
The natural purification of toxins in ecosystems
The concentration of toxins increasing up the food chain
The rapid degradation of toxins in the environment
The decrease of toxins along the food chain
16
Which category of water pollutants includes bacteria and viruses?
Sediment matter
Inorganic nutrients
Disease-causing agents
Organic chemicals
17
What is synergistic reaction?
Chemicals cancel each other out
One substance makes another's effects worse
Chemicals work independently
One substance reduces another's effects
18
What is the primary purpose of Euclidean zoning?
To increase property values
To promote mixed-used development
To create more commercial spaces
To separate residential areas from industrial pollution
19
Which of the following is a characteristic of carbon monoxide?
It's naturally blue in color
It's visible and has a distinct smell
It's colorless and odorless
It has a strong odor and yellow color
20
Epiphytes in the tropical rainforest are plants that:
Grow only in soil
Live underground
Grow on other plants
Float in water
21
What effect do oxygen-depleting wastes have on water quality?
They increase water temperature
They cause water to become more radioactive
They lead to breakdown in water quality through bacterial decomposition
They make water more acidic
22
What major historical event marked the beginning of rapid human population growth?
The industrial revolution
The Renaissance
World War 2
The agricultural revolution
23
What is a key characteristic of non-point source pollution?
It's always caused by factories
It cannot be readily identified to a single source
It comes from a specific industrial pipe
It only occurs in municipal areas
24
Which of the following is NOT a consequence of growing cities?
Light pollution
Noise pollution
Creation of heat islands
Increased biodiversity
25
What is the Root Zone Process for?
Creating new water sources
Treating contaminated water
Growing new plants
Measuring water depth
26
According to the U.S. standards, what is considered "no reasonable harm" for food and medicines?
No risk at all
Less than ONE cancer patient per 100,00 people
Less than ONE cancer patient per ONE MILLION people
Less than FIVE cancer patients per ONE MILLION people
27
During which stage of demographic transition do birth rates remain high while death rates decline?
Stage 3
Stage 1
Stage 4
Stage 2
28
What is smog?
Solid particles from industrial waste
Liquide aerosols from vehicles
A mixture of smoke and fog
Pure water droplets in the air
29
Why do some consider nuclear fuel a fossil fuel?
Its non-renewable like fossil fuels
It comes from living organisms
It's found underground like other fossil fuels
It produces similar emissions
30
What is the current world population (as of the document)?
9 billion
7 billion
8.07 billion
12 billion
31
What is LD50?
The minimum effective dose
The does at which 50% of organisms would die
The recommended safe dose
The dose that kills all test subjects
32
What is urbanization?
When industries relocate to rural regions
When the population is concentrated in cities
When suburbs expands into rural areas
When people move from cities to rural areas
33
Which country leads in energy consumption per person?
United States
China
India
Russia
34
How does U.S. energy consumption compare to developing countries?
Its significantly higher
It's slightly lower
Its significantly lower
It's about the same
35
What is the primary reason educated women tend to have fewer children?
They have more economic independence and family planning knowledge
They face social pressure
They have less access to better healthcare
They have less time for family
36
What factor contributes to high U.S. energy consumption?
Climate conditions
Transportation methods
Geographic size
Population Density
37
What is the primarily environmental concern with fossil fuel extraction
Light pollution
Noise pollution
Environmental damage
Air temperature
38
Which chemical interaction results in (multiple) combined effects?
Antagonistic reaction
Synergistic
Neutral reaction
Additive reaction
39
What is infrastructure?
Population distribution in cities
Economic growth patterns
Basic facilities and services that support a community
Cultural development
40
Regarding US oil imports, which statement is most accurate?
The Middle East is the primary source
Most U.S. oil comes from South America
The U.S. has diverse import sources
The U.S. is completely self-sufficient
41
What is the main principle of sustainability?
Focusing solely on environmental protection
Maximizing current resource use
Meeting present needs without compromising future generations
Prioritizing economic growth
42
What type of water is found in streams, rivers, and lakes?
Surface water
Processed water
Ground water
Artificial water
43
Under what conditions are fossil fuels formed?
Current weather conditions
High temp. and pressure without oxygen
Low temp. with oxygen
Normal atmospheric conditions
44
What is the primary purpose of effective doses?
To measure toxicity
To determine lethal amounts
To calculate chemical interactions
To indicate beneficial effects
45
What characteristic of the tundra biome makes it particularly challenging for plant growth?
High temperatures year-round
Permafrost layer beneath the surface
Excessive rainfall
Dense forest canopy
46
How are natural pollutants different from other types of air pollutants?
They remain in the atmosphere permanently
They are more toxic than human-made pollutants
They only occur during volcanic eruptions
They don't lead to permanent atmospheric changes
47
What is the term for movement INTO an area?
Immigration
Migration
Emigration
Transportation
48
What is the primary definition of water pollution according to the text?
When water quality changes due to human activities
When water become naturally muddy
When water mixes with groundwater
When water changes temperature
49
What biome has the highest species richness?
Tropical rainforest
Desert
Tundra
Taiga
50
Which is an example of inorganic plant nutrients as a pollutant?
Hot water
Oil spills
Fertilizers
Plastic waste
51
What is the primary composition of Earth's normal atmosphere?
75% nitrogen, 24% oxygen, 1% other gases
80% nitrogen, 19% oxygen, 1% trace gases
79% nitrogen, 20% oxygen, 1% other gases
78% nitrogen, 21% oxygen, 1% carbon dioxide
52
What is urbanization?
The movement of people from rural areas to cities
The movement of people from cities to rural areas
The expansion of suburban areas
The development of farming communities
53
When was air pollution first officially recognized as a problem?
around 700 years ago
1952
1760
400 B.C.
54
Which factor has NOT contributed to declining death rates globally?
Access to clean water
Safe sewage disposal
Increased birth rates
Medical advancements
55
Which of the following best describes point source pollution?
Natural contamination from soil erosion
Agricultural runoff from fields
A definite place where pollution enter the water cycle
Acid rain falling into water bodies
56
What is a potential consequence of poorly designed septic tanks?
Air pollution
Groundwater contamination
Soil erosion
Increased rainfall
57
Which of the following best describes the taiga biome?
A cold, forested area, dominated by evergreen trees
A temperate region with deciduous trees
A tropical grassland with scattered trees
A hot, dry region, with sparse vegetation
58
What is true about chemical safety?
All chemicals are always dangerous
Chemicals are only dangerous in large doses
No chemicals have safe thresholds
Every material can be poisonous under certain conditions
59
Which of the following is a characteristic of eutrophic lakes?
High oxygen content
Clear water
Sandy bottom
High nutrient concentration
60
How to wildlife corridors benefit forest ecosystems?
They reduce species diversity
They increase predator populations
They prevent habitat fragmentation
They isolate animal populations
61
What effect does hot water pollution have on aquatic environments?
It disrupts the ecosystem
It creates new species
It purifies the water
It prevents algae growth
62
What type of organism form the base of most marine food chains?
Large fish
Plankton
Seaweed
Coral
63
What is petroleum also commonly known as?
Oil
Coal
Natural gas
Methane
64
What is the main reason for converting fuel energy to electricity?
Reduced pollution
Lower cost
Better efficiency
Greater convivence
65
By what factor can the land needed to support a city exceed its actual size?
50 times
150 times
100 times
200 times
66
What happens in bioaccumulation?
Dilute toxins build up in tissues
Toxins are converted to harmless substances
Toxins evaporate naturally
Toxins are immediately expelled
67
What are secondary pollutants?
They don't lead to permanent atmospheric changes
Pollutants directly emitted from identifiable sources
Natural pollutants from volcanic activity
Pollutants that only affects plant life
68
Which factor does NOT determine the type of fossil fuel formed?
Starting material composition
Amount of pressure
Current weather conditions
Temperature
69
Which of the following is NOT one of the "three E's" of sustainability?
Equity
Economy
Environment
Education
70
What is the main function of estuaries in marine ecosystems?
Salt production
Temperature regulation
Wave protection
Nursery for marine organisms
71
How did agricultural advancements contribute to urbanization?
By decreasing food production
By requiring more farm workers
By requiring fewer workers to produce better yields
By eliminating the need for trade
72
In what type of geological formation is oil typically found?
Porous rock
Surface deposits
Ocean floors
Underground caves
73
What is bioaccumulation?
The natural filtering of toxins in ecosystems
The movement of toxins through the atmosphere
The breakdown of toxins in the environment
The selective absorption and storage of toxins in tissues
74
Which of the following is NOT a "push factor" for urban migration?
Loss of employment
Climate change
Natural Disasters
Better infrastructure
75
What is coal primarily made from?
Dead plant material
Bacterial decomposition
Ancient marine organisms
Animal remains
76
Which resource issue is most critical in many of the poorest countries?
A fuelwood storage
Internet access
Transportation
Electricity supply
77
What characterizes acute effects of toxins?
Gradual development over many years
Immediate health problems from a single exposure
Only affecting plants and animals
Requiring multiple exposures
78
Why do Americans tend not to conserve energy?
Limited energy options
Relatively low energy prices
Lack of environmental awareness
Abundance of renewable energy
79
Which pollutant category includes pesticides and cleaning materials?
Sediment matter
Inorganic plant nutrients
Organic chemicals
Radioactive isotopes
80
How does sediment pollution affect aquatic ecosystems?
It disrupts photosynthesis and ecological balance
It increases water temperature
It makes water radioactive
It increases oxygen levels
81
What happens to most air pollutants in the troposphere under normal conditions?
They form acid rain immediately
They remain stationary
They become concentrated
They are transported downwind and diluted
82
What distinguishes a swamp from a marsh?
The presence of trees and shrubs
The depth of water
The presence of cattails
The absence of water
83
What impact does residential land use have in U.S. cities?
It is equal to commercial use
It makes up the majority of city land use
It is declining rapidly
It is minimal compared to industrial use
84
What is the primary reason many temperate grasslands have been converted to other uses?
Excessive rainfall
Extreme temperatures
Poor soil quality
Rich, fertile, soil
85
What percentage of people currently live in urban areas?
Less than 25%
Less than 40%
More than 50%
Exactly 35%
86
Why is oil considered particularly problematic as a water pollutant?
It sinks to the bottom immediately
It's difficult to remove and can spread widely
It's easy to remove
It evaporates easily
87
What is age structure?
The minimum reproductive age in a population
The distribution of ages in a specific population at a certain time
The average age of a population
The maximum age reached by individuals in a population
88
Which two countries are currently the main producers and users of coal?
Germany and Japan
Australia and Canada
China and the U.S.
Russia and India
89
Which of the following best characterizes developed countries?
Rapid population growth and simple economies
Higher average income and slower population growth
Lower average income and agricultural focus
High birth rates and unstable infrastructure
90
What percentage of global deforestation is attributed to agriculture?
90%
70%
60%
80%
91
Which biome is characterized by alternating wet and dry seasons and supports large herbivores?
Taiga
Tundra
Savanna
Chaparral
92
What percentage of the world's electricity comes from coal-fired power plants?
55%
25%
33%
41%
93
What percentage of Earth's surface water is freshwater?
3%
25%
70%
50%
94
What is the primary characteristic of temperate deciduous forests?
No trees present
Trees that lose leaves seasonally
Only coniferous trees present
Trees that maintain leaves year-round
95
What is the role of toxicologists and pharmacologists?
Balancing drug effectiveness and safety
Only studying toxic substances
Producing new chemicals
Marketing pharmaceutical drugs
96
What is the specific term for aerosols produced from metal vapors?
Fume
Mist
Plume
Smoke
97
What is the primary concern with radioactive isotopes in water?
They can lead to genetic damage and birth defects
They can make water taste bad
They cause immediate death
They only effect plant life
98
What is the fertility rate in developed countries according to the text?
1.85 children per women
3.0 children per women
2.5 children per women
4.2 children per women
99
Which best describes chronic (long, or forever) effects?
Short-term immediate effects
Effects that are always fatal
Effects that only last one day
Long-lasting or permanent effects
100
What is demography?
The study of populations and the processes that influence them
The study of human migration patterns
The study of birth rates in developing nations
The study of death rates in developed countries
101
What is suburban sprawl?
Expansion of cities into surrounding areas
Industrial zone development
Rural population growth
High-density urban development
102
What is an example of persistent chemical mentioned in the text?
Oxygen
Natural gases
Flame retardants
Water
103
How much carbon can a typical tree absorb in its first 40 years of life?
1 ton
2 tons
1.5 tons
0.5 tons
104
What is the end result when sulfur dioxide and nitrogen oxides undergo atmospheric reactions?
Ozone
Smog
Acid rain
105
What is the best approach to reforestation?
Creating separate new forests
Avoiding wildlife corridors
Filling holes in existing forest cores
Planting only one species of trees
106
What happens to crude oil after extraction?
It's exported only
Its refined into petrochemicals
It's stored underground
It's immediately used as fuel
107
What is natural recharge?
Replacement of water sources by rainfall
Filtering water through plants
Treating wastewater
Adding chemicals to water
108
In the tropical rainforest, what is the primary reason for limited vegetation on the forest floor?
High animal population density
Excessive moisture
Limited sunlight penetration
Toxic soil conditions

environmental sci. 4th block Flashcards | StudBud