Environmental Science 7.5-7.8

7.5 - Carbon monoxide (CO) is an indoor air pollutant.

Which of the following best describes why CO is lethal?

• CO is made in developed nations

• CO is an asphyxiant

• CO actually can't be produced indoors

• CO has a lot of bright colors

7.5 - This particulate matter (PM) is long, silicate, and

can be used for insulation. What is this PM?

• Smoke

• Asbestos

• Dust

• Carbon Monoxide

7.5 - High concentrations of volatile organic compounds (VOCs)

can be found in the following EXCEPT

• Cleaners

• Plastics & Fabrics

• Adhesives/Sealants

• Hardwood Flooring

7.5 - Which of the following best describes how dust and mold are similar?

• Both are natural air pollutants

• Both are a type of greenhouse gas

• Both are a type of eubacteria

• Both are solid,

  living particles

7.5 - How is radon gas created?

• from decay of uranium in granite

• from accumulation of uranium in the ground

• from limestone bedrock breaking apart

• from compacted fossil fuels millions of years ago

7.5 - From where can radon gas enter homes?

• Past the roof

• Down the chimney

• Through cracks in the foundation

• From the front door

7.5 - Exposure to radon gas may increase risk for which of the following?

• Lung Cancer

• Nose Bleed

• Brain Cancer

• Asthma

7.6 - When fueling a vehicle, a vapor recovery nozzle prevents fumes from . . .

• losing energy in the form of heat

• fueling another vehicle

• escaping into the atmosphere

• turning into ice

7.6 - A catalytic converter is a device

that converts pollutants into . . .

• more harmful molecules

• less harmful

  molecules

• all kinds of new chemical species

• NOx, CO, and other hydrocarbons

7.6 - What is the purpose of the scrubbing liquid

used in wet scrubbers?

• to dry off the water on a car

• to collect particulates or gases

• to power a turbine, generating electricity

• to produce more particulates