The greatest loss of stratospheric ozone ________

A) occurs in urban areas where automobile use is most prevalent
B) has occurred over Antarctica
C) is expected to occur in the mid-21st century
D) occurred after the Montreal Protocol failed to be ratified


B

Environmental & Atmospheric Sciences

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One widely used method for desalinating water is ____.

A. activated carbon filtration B. subsidence C. transpiration D. reverse osmosis E. treadle pumping

Environmental & Atmospheric Sciences

Smoking causes the premature death of more people through heart attacks than through lung cancer.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Nationwide in the United States, particulates come mostly from ________, but in urban areas they are derived from vehicles and industrial sources

A) soil erosion B) smoke from burning forests C) coal-fired power plants D) roads and construction sites E) non-U.S. sources

Environmental & Atmospheric Sciences

Which of the following is not of our solar system?

A) It consists of 8 planets and some 165 planetary satellites (moons). B) Of all the planets, Neptune has the most moons. C) Six of the eight planets have at least 1 moon. D) Several identified planetary satellites are still awaiting official confirmation.

Environmental & Atmospheric Sciences