How do humans contribute to climate change today?

What will be an ideal response?


Answer: We add more greenhouse gases to the atmosphere through pollution and deforestation. Common greenhouse gases produced by human activity include carbon dioxide, methane, nitrous oxide, and CFCs. Humans are also increasing the number of aerosols in the atmosphere.

Environmental & Atmospheric Sciences

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Which of the following deserts is formed along cold ocean currents?

a. The Sahara Desert b. East of the Cascade Mountains in the state of Washington c. The Atacama Desert d. The Kalahari Desert

Environmental & Atmospheric Sciences

All of the following are examples of ways humans alter the natural hydrologic cycle EXCEPT:

A. evapotranspiration from forests. B. Pumping water from aquifers. C. evaporation as a result of irrigation. D. runoff from city streets.

Environmental & Atmospheric Sciences

When a falling object has reached its terminal velocity, its acceleration is

A) constant. B) zero. C) g.

Environmental & Atmospheric Sciences

Which of the following was NOT true of early settlements?

A) They contained society's schools, museums, libraries and archives. B) They housed women and children while the men searched for food. C) They protected the group's land claims and food sources. D) They were often surrounded by defensive walls.

Environmental & Atmospheric Sciences