An atmospheric carbon dioxide level of 450 ppm is widely considered to be an irreversible climate change, or ____________________.

Fill in the blank(s) with the appropriate word(s).


tipping point

Environmental & Atmospheric Sciences

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How high above the gage datum would you want to locate a new house in Grand Forks to make certain it would be safe from a 30-year flood?

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following hazards is not commonly associated with volcanic eruptions?

A. poisonous or otherwise deadly gases B. lava flows C. pyroclastic flows D. lahars E. All of these choices are correct.

Environmental & Atmospheric Sciences

Write an essay on acid rain in which you discuss its sources, its effects, and the efforts that have been made to reduce the amount of pollutants that cause it

What will be an ideal response?

Environmental & Atmospheric Sciences

Sometimes tiny pyroclastic particles are ejected into the atmosphere and settle to the surface as a(n) ____________________. In contrast, a(n) ____________________ is a cloud of these tiny particles and gas that moves along or close to the land surface

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences