How have human activities depleted ozone in the stratosphere?

What will be an ideal response?


CFCs and other chemicals caused depletion of the ozone. These chemicals were used on a daily basis by humans, in a variety of products and ways. CFCs were used as coolants in refrigerators and air conditioners, as propellants in aerosol cans, in foam insulation and packaging, and as cleaners and fumigants.?Other chemicals used in fire extinguishers, cleaning solvents and space shuttle launches contributed to ozone destruction.

Environmental & Atmospheric Sciences

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Which of the following is NOT an ion?

A. Mg+2 B. H+1 C. Br- D. O2 E. NO3-

Environmental & Atmospheric Sciences

Regional geography is

A) the theoretical side of cartography. B) the part of human geography that emphasizes landscapes. C) a combination of elements from both human and physical geography. D) a sub-category of physical geography. E) what separates human from physical geography.

Environmental & Atmospheric Sciences

Different varieties of an atom that have a different number of neutrons in their nuclei are ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

What best describes the U.S. national character after the Revolutionary War?

A) Protestantism, individualism, equality B) liberalism, capitalism, secularism C) liberalism, individualism, capitalism D) capitalism, Catholicism, federalism E) federalism, collectivism, Protestantism

Environmental & Atmospheric Sciences