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Which one of the following causes global climate change?
Increase in the concentration of greenhouse gases in the atmosphere due to human activity
Particulate Matter is the general term used to describe?
a mixture of solid particles and liquid droplets found in the air
Excessive greenhouse gases in the atmosphere due to anthropogenic emissions retains more heat than normal. T or F?
the atmospheric temperature and CO2 concentration changed prior to the pre-industrial periods. T or F?
How can you reduce your water heating bill (which accounts for about 14% of the average utility bill)?
use less hot water, turn down the thermostat, insulate your water heater, buy a new more efficient water heater; All of the above
A family of four, each showering for 5 minutes a day, use 700 gallons of water each week. Installing a non-aerating showerhead can cut this consumption by how much?
What steps can lead to an energy efficient dishwasher?
Wash only full loads, use the no-heat air dry feature, don't pre-rinse before putting them in the dishwasher; All of the above
Which of the following actions is NOT likely to improve the efficiency of a refrigerator?
switching the motor from a DC motor to a more efficient AC motor.
Compared to ordinary incandescent bulbs, tungsten halogen bulbs consume______power to produce the same amount of light?
Tungsten-halogen lamps operate at very high temperature (high enough to literally fry eggs) and should not be used in fixtures that have paper or cellulose-lined sockets. T or F?
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