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Human Impact on Earth (7th Grade Science) Flashcards | StudBud
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Human Impact on Earth (7th Grade Science)
Human Impact on Earth (7th Grade Science)
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Answers
1
What are the 5 categories of land use by humans?
agriculture, recreational, transport, industry, residential
amusement parks, residential, factories, industry, car lots
There are not 5 categories
industry, agriculture, residential, schools, shopping
2
Why is it important to maintain water quality?
to keep water from evaporating
to keep the polar ice caps from melting
to keep the ocean levels from lowering
to keep water from becoming a nonrenewable resource
3
What causes Eutrophication?
acid rain
excessive nutrients
thermal pollution
CFCs
4
Which is the
best
way factories cold reduce their use of clean fresh water?
by producing bottled water in larger containers
by recycling water used in industrial processes
by encouraging employees to drink less water
by using less fertilizer in landscaping and agriculture
5
What does the image
best
illustrate?
acid precipitation
urbanization
global warming
air pollution
6
Which of these areas would
likely
have the largest human population and high pollution levels?
rural area
urban area
suburban area
natural area
7
What do fossil fuels generate that is needed to form acid precipitation?
water
energy
gas pollutants
particulate pollutants
8
Why is freshwater becoming a limited resource?
God isn't making any more water
Stores are not selling enough bottled water
humanity depleting freshwater sources
9
Which of these is a nonrenewable resource?
wind
solar energy
oil
water
10
Chicago's population is 2.8 million people. What type of area is Chicago?
natural
urban
rural
agricultural
11
which term describes the measure of the cloudiness of water?
potable
temperature
turbidity
pH
12
Who is responsible for good stewardship (taking care of) the earth?
only individuals
only governments
individuals, businesses, & governments
only businesses
13
Which term
best
describes water in a hydro-electric dam (as shown below)?
a created resource
an energy resource
a nonrenewable resource
a material resource
14
Why are air, water, and minerals classified as natural resources?
Because they are nonrenewable
Because they are renewable
Because we need them
Because God made them
15
What term describes pollutants entering a body of water at a specific location?
biological pollutants
point-source pollution
inorganic wastes
nonpoint-source pollution
16
Which type of pollution is more harmful?
indoor pollution
outdoor pollution
