Quiz about World Population Growth and Environmental Impact

Question 1

Burning fossil fuels contributes to climate change by:

Accepted Answer

Increasing the amount of carbon dioxide in the atmosphere

Answer

Decreasing the amount of carbon dioxide in the atmosphere

Answer

Increasing the amount of oxygen in the atmosphere

Answer

Reducing the Earth's temperature

Question 2

Rather than increasing at a constant rate, human population growth in recent decades has increased more and more rapidly over time. This rate of change is called ___________________.

Accepted Answer

exponential growth.

Answer

excessive growth.

Answer

reverse growth.

Answer

zero growth.

Question 3

What is a natural source of air pollution?

Accepted Answer

volcanoes

Answer

carbon monoxide

Answer

smog

Answer

ozone layer

Question 4

Acid rain is caused by:

Accepted Answer

The release of sulfur dioxide and nitrogen oxides into the atmosphere

Answer

The depletion of the ozone layer

Answer

Excessive use of fertilizers in agriculture

Answer

Natural forest fires

Question 5

Automobiles contribute to air pollution by_______________.

Accepted Answer

increasing carbon dioxide.

Answer

increasing methane.

Answer

decreasing oxygen.

Answer

decreasing carbon dioxide.

Question 6

What is the difference between point and nonpoint sources of water pollution?

Accepted Answer

Point sources can be directly identified, and nonpoint cannot.

Answer

Point sources involve solid wastes, and nonpoint sources are liquids.

Answer

Point sources break down easily, while nonpoint sources break down over a long time.

Question 7

Which of these changes can lead to desertification?

Accepted Answer

reduced precipitation

Answer

reduced air quality

Answer

increased plant life

Answer

increased nutrient levels

Question 8

What impact does logging have on the land?

Accepted Answer

increased erosion

Answer

increased nutrients

Answer

accelerated recycling of organic matter

Answer

accelerated soil deposition

Question 9

Which of these is a source of human-made ocean pollution?

Accepted Answer

plastics

Answer

fresh water

Answer

ozone

Answer

sediment

Question 10

After viewing the graph of World Population Growth, Taylor notices a change that happened over the past few decades. She knows there is a reason for this change. What is this kind of change called?

Accepted Answer

exponential growth

Answer

birth rate

Answer

population constraint

Answer

overpopulation

Question 11

Joshua moved to a new home with his family in an area that had been cleared for the subdivision. More ground is being cleared for a supermarket and other stores. He understands the need for new homes, but he also realizes that human activity has an impact on the land and its resources. Which human activities negatively affect the environment? Choose the three that apply.

Accepted Answer

destroying habitats

Accepted Answer

overexploitation of organisms for food

Accepted Answer

digging deeper for fossil fuels

Answer

conserving renewable resources

Answer

sustainable land use

Question 12

Lucy reads some interesting facts about populations and their growth. She understands that a growing population has needs, including space, fresh water, and sufficient food. She learns that around 1.8 billion people in the world are ages 10 to 24, which is a large population of young people. She also reads that 52% of the total world's population is under 30 years of age. What possible consequence can come of a continually growing population?

Accepted Answer

overpopulation

Answer

decreased birth rate

Answer

human constraints

Answer

sustainable growth

Question 13

Scott and his family recently moved to a large city, where the air sometimes looks hazy from smog. These four steps could result in the formation of this smog:

1. Ozone forms.

2. Polluting gases react with sunlight.

3. Temperature inversion traps pollution.

4. Cars emit hydrocarbons and nitrogen oxides.

Which answer shows the order in which these steps occur?

Accepted Answer

4, 1, 2, 3

Answer

1, 2, 3, 4

Answer

1, 2, 4, 3

Answer

4, 2, 1, 3

Question 14

A company understands that it has a responsibility to minimize air pollution from its factories. What are effective ways the company can reduce the pollutants produced by the factories? Choose the three statements that apply.

Accepted Answer

Place devices that remove emissions in the factory smokestacks.

Accepted Answer

Use low-emission trucks to move products from one place to another.

Accepted Answer

Use hydroelectric or wind energy sources instead of coal.

Answer

Reduce the number of temperature inversions that trap pollutants.

Question 15

Jackie lives in a newly built housing development. Which statement best explains why most of the residents are having problems with insects and mice in their homes?

Accepted Answer

The land where the houses were built underwent deforestation.

Answer

Building the houses reversed the order of the layer of soil in that location.

Answer

The animals were relying on products from the new houses for food and shelter.

Answer

Building houses has taken away habitats and the animals have not yet relocated.

Question 16

Concerns about soil management are not the same in all climates. Suppose you own a farm in the state of Washington, where there is a lot of rain throughout the year. Which two issues would be of major concern in managing the soil on your farm?

Accepted Answer

erosion

Accepted Answer

nutrient depletion

Answer

desertification

Answer

nonrenewable resources

Question 17

A suburban community is surrounded by a large city, a wetland, and another suburb. The community needs to build a new school with a sports complex, and there is no room to build it. They choose to fill in the wetland and build the school there. What is most likely to happen to the filled-in wetland and the surrounding area?

Accepted Answer

increased erosion, increased flooding, increased pollution

Answer

increased erosion, increased flooding, decreased pollution

Answer

increased erosion, decreased flooding, increased pollution

Answer

decreased erosion, decreased flooding, decreased pollution

Question 18

Have you ever seen the Mississippi River? If so, you probably can infer why it sometimes is called the 'Muddy Mississippi.' Many smaller streams and rivers run into the Mississippi, carrying sediment into its waters. Which statement best describes one effect of this sediment on the river?

Accepted Answer

increased erosion, increased flooding, increased pollution

Answer

increased erosion, decreased flooding, decreased pollution

Answer

increased erosion, decreased flooding, increased pollution

Answer

increased erosion, increased flooding, decreased pollution

Question 19

When Hurricane Hermine hit the Florida coast in August 2016, one person was killed, and there was extensive property damage. What other, less visible damage was done to ocean water by this hurricane? Choose the two statements that apply.

Accepted Answer

Pollutants from the land were washed into the ocean water.

Accepted Answer

The salt concentration of the ocean was reduced by the rain, and some organisms died.

Answer

The ocean is so large that no other damage was done.

Answer

The concentration of salt in the water increased because of runoff.

Question 20

Ozone depletion in the Earth's atmosphere is mainly caused by:

Accepted Answer

Chlorofluorocarbons (CFCs) from aerosols and refrigerants

Answer

Excessive planting of trees

Answer

The use of solar panels

Answer

Increased carbon dioxide emissions from cars

Question 21

Considering the effects of urbanization, what is a likely environmental impact of constructing new buildings in a forest area?

Accepted Answer

Increased soil erosion

Answer

Increased wildlife diversity

Answer

Decreased air pollution

Answer

Decreased water usage

Question 22

What role do wetlands play in maintaining a healthy ecosystem?

Accepted Answer

They filter pollutants from water.

Answer

They decrease biodiversity.

Answer

They increase urban heat effects.

Answer

They reduce water availability.

Question 23

How does deforestation contribute to climate change?

Accepted Answer

By decreasing the amount of carbon dioxide absorbed by trees

Answer

By increasing the levels of oxygen in the atmosphere

Answer

By reducing the Earth's surface albedo

Answer

By enhancing the Earth's magnetic field

Question 24

Ouch! Whitney went swimming yesterday and came home with a severe sunburn. Her brother explained to her that the lack of ozone in the atmosphere may have made her sunburn worse. He drew this diagram of the ozone cycle to illustrate what he was talking about.

Examine the diagram of The Ozone Cycle. Which statement best explains why a hole in the ozone layer of the atmosphere can cause health problems, such as sunburn or skin cancer?

Accepted Answer

Less ozone in the ozone layer allows more UV radiation to reach Earth's surface

Answer

The hole itself absorbs additional UV radiation

Answer

UV radiation, which causes sunburn, is absorbed by the ozone cycle

Answer

The hole is caused by too much UV radiation reaching Earth at that location

Question 25

We usually only hear about major oil spills. But smaller oil releases occur regularly in U.S. waters. They can cause damage to water organisms. Study the graph below.

Which of the following statements best summarizes the information provided by the graph?

Accepted Answer

About two-thirds of the oil released comes from natural sources.

Answer

All of these releases happen in the ocean, not in fresh water.

Answer

The largest amount of human-caused oil release comes from shipping.

Answer

Only 2% of oil release is from ocean drilling and does not damage organisms.

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