Which of the following methods of improving air quality does not require advanced technology?
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Geography, 10.10.2019 14:50 eggemotions
Which of the following methods of improving air quality does not require advanced technology?
a. exhaust scrubbing
b. conservation
c. using renewable energy sources
d. driving fuel-efficient cars
Answers: 3
Geography, 23.06.2019 03:30
If you could drill a hole straight to the center of the earth, and keep track of what the hole is going through, youwould find: a) you would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion.b) you would go through one sort of material all the way to the center, because the planet is all mixed up.c) if your hole started at the north pole, you would go through different layers of different materials, but ifyour hole started at the equator, you would go through one sort of material all the way to the center.d) if your hole started at the equator, you would go through different layers of different materials, but if yourhole started at the north pole, you would go through one sort of material all the way to the center.e) you would strike diet pepsi when you got to the center.
Answers: 1
Geography, 23.06.2019 09:00
Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )
Answers: 3
Geography, 23.06.2019 13:30
The process by which liquid water changes into water vapour is called what ?
Answers: 2
Geography, 23.06.2019 15:50
Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit
Answers: 3
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