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Social Problems: Exam 2 Verified and
Updated Questions and Answers (100%
Correct Answers)
List (and explain why) the three major things threatening the earth's ecosystem.
Answer: -Increase in population: increases demand for food, energy, minerals, and
other products
-Growing inequality of income between the rich and the poor: those at the top over-
consume resources
-Economic growth: economic growth is powered by the accelerated extraction and
consumption of fossil fuels, minerals, water, and timber
Overall, 1% of earth's topsoil is eroding each year due to what 4 things:
Answer: • Growth of cities and urban sprawl
• Overuse
• Irrigation and erosion
Plowing of marginal lands
Deforestation is destroying the earth's rain forests. What are the two major problems
that result from this?
Answer: • Vanishing of species: Humans benefit from diversity of species
• Climate change: deforestation changes rain patterns. Burning to clear the land also
changes the climate
What are the 5 major ways in which environmental pollution is occurring?
Answer: • Chemical Pollution
a. Over 4 billion lbs. of toxic chemicals are released by industry into the nations
environment each year.
• Solid Waste Pollution
a. The United States discards 30 percent of the world's resources.
, Inquire through: | Professional | Confidential Support
• Water Pollution
a. Four major sources of water pollution:
i. Industries: pour vast array of contaminants into rivers, lakes, oceans
ii. Farmers: pesticides, herbicides, fertilizers, animal wastes drain into streams
iii. Cities: dispose of their wastes, including sewage, into rivers
iv. Oil spills, caused by tanker accidents and leaks in offshore drilling
• Radiation Pollution
a. Radiation from both natural sources and technology (X-rays, nuclear weapons, and
nuclear energy) pose a threat to humans.
• Air Pollution
Outdoor air pollution causes 1.3 million deaths per year worldwide.
What is environmental racism? Give some examples.
Answer: Making the areas where the poor live unpleasant/nearly uninhabitable,
making it so they can't sell their homes and move elsewhere
The industrial revolution increased our reliance on what? Thus increasing demands
for energy and political tensions over it.
Answer: • The Industrial Revolution increased our reliance on fossil fuels
o Coal, oil, and natural gas
o The world consumes about 85 million barrels of oil per day
o The US is greatest consumer of oil products (22.6% of the world's daily
consumption), followed by the EU, China, Japan, and India
What is the Greenhouse effect?
Answer: All the gasses trapped ( like a greenhouse) in the Earth's atmosphere
Social Problems: Exam 2 Verified and
Updated Questions and Answers (100%
Correct Answers)
List (and explain why) the three major things threatening the earth's ecosystem.
Answer: -Increase in population: increases demand for food, energy, minerals, and
other products
-Growing inequality of income between the rich and the poor: those at the top over-
consume resources
-Economic growth: economic growth is powered by the accelerated extraction and
consumption of fossil fuels, minerals, water, and timber
Overall, 1% of earth's topsoil is eroding each year due to what 4 things:
Answer: • Growth of cities and urban sprawl
• Overuse
• Irrigation and erosion
Plowing of marginal lands
Deforestation is destroying the earth's rain forests. What are the two major problems
that result from this?
Answer: • Vanishing of species: Humans benefit from diversity of species
• Climate change: deforestation changes rain patterns. Burning to clear the land also
changes the climate
What are the 5 major ways in which environmental pollution is occurring?
Answer: • Chemical Pollution
a. Over 4 billion lbs. of toxic chemicals are released by industry into the nations
environment each year.
• Solid Waste Pollution
a. The United States discards 30 percent of the world's resources.
, Inquire through: | Professional | Confidential Support
• Water Pollution
a. Four major sources of water pollution:
i. Industries: pour vast array of contaminants into rivers, lakes, oceans
ii. Farmers: pesticides, herbicides, fertilizers, animal wastes drain into streams
iii. Cities: dispose of their wastes, including sewage, into rivers
iv. Oil spills, caused by tanker accidents and leaks in offshore drilling
• Radiation Pollution
a. Radiation from both natural sources and technology (X-rays, nuclear weapons, and
nuclear energy) pose a threat to humans.
• Air Pollution
Outdoor air pollution causes 1.3 million deaths per year worldwide.
What is environmental racism? Give some examples.
Answer: Making the areas where the poor live unpleasant/nearly uninhabitable,
making it so they can't sell their homes and move elsewhere
The industrial revolution increased our reliance on what? Thus increasing demands
for energy and political tensions over it.
Answer: • The Industrial Revolution increased our reliance on fossil fuels
o Coal, oil, and natural gas
o The world consumes about 85 million barrels of oil per day
o The US is greatest consumer of oil products (22.6% of the world's daily
consumption), followed by the EU, China, Japan, and India
What is the Greenhouse effect?
Answer: All the gasses trapped ( like a greenhouse) in the Earth's atmosphere
