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- Multiple ChoicePlease save your changes before editing any questions.
Which is true of air pollution and human health?
Years of research link air pollution to lung diseases, birth defects, and cancer
Air pollution is commonly listed as a cause of death.
None of the health effects of air pollution are reversible.
Healthy adults are most affected by air pollution.
- Multiple ChoicePlease save your changes before editing any questions.Which of these problems can be caused by air pollution?Respiratory problemsReduced food sources for humansIncreased disease for humansDecrease in global temperatures
- Multiple ChoicePlease save your changes before editing any questions.The ozone layer is damaged byCFCsIncrease in greenhouse gasesIncreased global temperaturesSulfuric and nitric acids
- Multiple ChoicePlease save your changes before editing any questions.Greenhouse gases, in moderate amounts, keep the Earth's temperature stableTrueFalse
- Multiple ChoicePlease save your changes before editing any questions.
Air pollution causes all of the following, except
holes in the ozone layer
increased particles in the air
acid rain
healthy air to breath
smog
- Multiple ChoicePlease save your changes before editing any questions.
What is the main cause of air pollution?
plowing fields and releasing dust
using solar power
burning fossil fuels
using water power
- Multiple ChoicePlease save your changes before editing any questions.
What are ways that we can decrease air pollution?
carpool
conserving electricity
follow laws made by the EPA
burning extra fossil fuels
- Multiple ChoicePlease save your changes before editing any questions.Air is mostly made up of what two gases?oxygen and nitrogenoxygen and hydrogenhydrogen and heliumnitrogen and hydrogen
- Multiple ChoicePlease save your changes before editing any questions.How much oxygen is in the air? (%)25%21%68%50%
- Multiple ChoicePlease save your changes before editing any questions.How much nitrogen is in the air? (%)75%71%68%60%
- Multiple ChoicePlease save your changes before editing any questions.Does fire need oxygen?Yes, it doesNo, it doesn`t
- Multiple ChoicePlease save your changes before editing any questions.The main gas for breathe isnitrogenoxygenargonhydrogen
- Multiple ChoicePlease save your changes before editing any questions.The main gas for breathe isnitrogenoxygenargonhydrogen
- Multiple ChoicePlease save your changes before editing any questions.Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?WaterCarbon DioxideDry ChemicalFoam
- Multiple ChoicePlease save your changes before editing any questions.Which is not combustible substanceWoodCow dung cakestonepaper
- Multiple ChoicePlease save your changes before editing any questions.What is produced when combustable substance is in the vapour state and burn strongly in the presence of of air?heatlightflamefumes
- Multiple ChoicePlease save your changes before editing any questions.The condition which are required for combustion to take place are:fuelignition temperatureoxygenall of these
- Multiple ChoicePlease save your changes before editing any questions.Another term for burning isFire triangleMagnesium oxideCombustionBustion
- Multiple ChoicePlease save your changes before editing any questions.Combustion is when a __________ reacts with oxygenpetrolfuelfire trianglecarbon dioxide
- Multiple ChoicePlease save your changes before editing any questions.
Combustion is a
Natural process
Chemical process
Physical process
None of these processes