chapter 1 Flashcards
(117 cards)
True or false: The amount of CO2 in the atmosphere has increased significantly in the past 200 years.
true
True or false: It is important to acknowledge how and why conditions on earth have changed over time and to take the time to understand the environmental improvements that have occurred over time.
true
World population growth currently involves the addition of about 80 ______ more people each year.
thousand
million
billion
million
The UN Population Division predicts that by 2050 all developed countries, and ______ percent of the developing world, will experience a below-replacement fertility rate of 2.1 children per woman.
75
Which of the following terms can be defined as the complex of social or cultural conditions that affect an individual or community?
Habitat
Niche
Environment
environment
Which atmospheric gas has increased by approximately 50 percent in the past 200 years?
Chlorofluorocarbon
Oxygen
Carbon dioxide
Nitrogen
carbon dioxide
Which of the following statements correctly describes the current state of global hunger?
Chronic hunger occurs only in undeveloped countries.
An estimated 800 million people have chronic hunger.
Hunger is not a global issue.
An estimated 800 million people have chronic hunger.
According to the text, why is it important to understand environmental improvements that have occurred in the past?
So that we are reminded that the hard work of generations before us was fruitful
Because there have been so few environmental improvements and we must be urged to do better
Because that is the only way we will know what needs fixing in the future
So that we are reminded that the hard work of generations before us was fruitful
World population is currently estimated at Blank______ people.
80 million
880 million
8 billion
88 billion
8 billion
The UN Environment Programme reports that, over the past century, more than 800 species have disappeared and at least 10,000 species are now considered to be ______.
threatened
By 2050, we expect that all of the developed countries, and 75 percent of the developing world, will experience a below-replacement fertility rate of ____ children per woman.
2.1
What type of energy resource currently provides the majority of supplies in industrialized countries?
Fossil fuels
Solar
Nuclear
Wind
fossil fuels
The term _____ means “to circle or surround” and can be defined as the circumstances or conditions that surround an organism or group of organisms.
environment
What are the reasons why 800 million people are suffering from chronic hunger?
Misinformation about nutritional needs
Not enough food being grown
Unequal access to resources
Violent conflicts
unequal access to resources
violent conflicts
The price of photovoltaics has dropped over ______ percent since the 1980s.
10
50
90
90
True or false: It is important to acknowledge how and why conditions on earth have changed over time and to take the time to understand the environmental improvements that have occurred over time.
true
True or false: Air pollutants are linked to millions of deaths each year.
true
Which of the following are involved in the large-scale loss of native species on Earth?
Habitat destruction
Widespread success of large predators such as orcas and large cats
Introduction of exotic species
Water and air pollution
Habitat destruction
Introduction of exotic species
Water and air pollution
In what areas of the world is air pollution improved from what it was 50 years ago?
China
India
Europe
North America
Europe
North America
As traditional, nonrenewable energy sources become scarce, the use of _____ energy sources, such as wind and biomass, will continue to increase.
renewable
Inadequate sanitation and polluted ____ are estimated to contribute to the death of more than 5 million children annually.
water
Which of the following are true regarding recent trends with water resources?
The number of people facing food insecurity has increased.
Hundreds of millions of people have gained access to modern sanitation.
Water supply exceeds water demand nearly everywhere.
Some waterborne infectious diseases have declined dramatically.
Hundreds of millions of people have gained access to modern sanitation.
Some waterborne infectious diseases have declined dramatically.
European countries, in particular, are actively cutting their use of ___ fuels and switching to renewable resources for energy production
fossil
Composed of aerosols, dust, and smog, _____ pollution is particularly bad in India and China; this pollution can and does travel long distances to affect places far removed from where it was created.
air