Unit 5 science test review Flashcards
What part of earth absorbs the Most sunlight?
oceans
What is one important role that ocean waters have in heating Earth?
absorb and transport solar energy
What is one disadvantage of desalination?
The process uses fuel that is expensive.
Which is a negative effect of deforestation on the environment? Habitat restoration desertification soil production urbanization
desertification
What is the most effective way to protect drylands from desertification?
planting tree belts
What term refers to the practice of renewing destroyed ecosystems?
habitat restoration
Which challenge arises from trying to protect the environment?
high clean- energy startup costs
Which is an important question to consider when creating an environmental policy?
Is the benefit worth the cost?
Which is a result of topsoil loss?
poor crop production
What is a common ingredient in fertilizer?
gypsum
What is a major goal of the federal government when managing land resources?
conservation
Which factor is a major contributor to outdoor air pollution?
fossil fuels
Which factor would increase poor indoor air quality?
carbon monoxide
What was the main reason for creating the EPA?
enforce the clean air act
Which resource is sometimes unpredictable in terms of energy production?
wood
Which resource is a nonrenewable resource? water trees sun metal
metal
Which is a resource that the National Park Service manages?
memorials
Which federal agency helps foreign governments with international conservation efforts?
US Fish and Wildlife Service
Which mineral resource is used to make baby powder
talc
Which term refers to the loss of fertile soil from drying out?
desertification
Which three gases are released into the atmosphere when volcanoes erupt?
nitrogen, water vapor, carbon dioxide
Which step of desalination must be done before water is condensed and collected?
water is heated until it is evaporated
Which activity uses water for both recreational and industrial purposes?
fishing
Where would you use drip irrigation?
dry or desert areas
Which solution would help local farms if the water level in a reservoir used for irrigation became low?
Build wind-powered pumps to use groundwater
Which environmental policy must consider the expensive startup costs associated with building machines that harvest energy from clean sources?
reducing air pollution
How does the construction of dams positively affect natural resources?
by preventing flooding, creating reservoirs, and providing water for irrigation
Which best explains the effect of reforestation on land?
It restores trees to areas where they once grew.
How does urbanization contribute to pollution?
There are more people in urban areas, which leads to more consumption of energy, food, and water.
Which statement explains how smog forms?
Sunlight and heat react with gases in the atmosphere.
