Earth's human population is expected to grow over ....... by 2050 (according to my presentation)
9 billion
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25
What are the 5 types of developing technologies
water-savig, energy-saving, CFC replacement, alternative fuels, automobile technologies
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15
Give an example of alternative fuels
Gasohol, biodiesel........
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20
What are CFCs used in
foam, refrigeration, air conditioning sectors, etc
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20
what is the name of the curly lightbulbs
Compact fluorescent lightbulbs, CFLs
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15
How many slides do I have in my presentation? 9, 10, or 11
11
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10
True or False. Gasohol is made from renewable resources, primarily vegetable oils and animal fats-including oil left over from frying foods in restaurants
False
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seesaw
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magnet
Take 25 points!
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gift
Win 25 points!
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thief
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20
What is the long forms of HCFC
Hydrochloroflourcarbon
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15
Which Chapter and lesson was my presentation about
Ch 15, L3
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20
Define automobile technology
Automobile technology is a program of study focusing on the mechanics and technology driving today's cars.
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banana
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fairy
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rocket
Go to first place!
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baam
Lose 25 points!
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15
True or False. HFCs contain chlorine and contribute to destruction of stratospheric ozone.
False
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seesaw
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shark
Other team loses 20 points!
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gift
Win 25 points!
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lifesaver
Give 15 points!
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15
True or False. CFCs cause the thinning of ozone layer.