What is an example of pyroclastic materials?

A) Lava-fountain blobs
B) pumice
C) Lava-fountain blobs, pumice, and ash
D) ash


Answer: C

Environmental & Atmospheric Sciences

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Which of the following ions has the same electronic configuration as argon?

A) K2+ B) Ca+ C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

In order to qualify for debt relief from the United Nations, a country must reduce government subsidies to the poor, devalue local currency, and implement "structural adjustment" programs

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

When 10 J of work are done to push a charge into an electric field, the charge has gained

A. more than 10 J. B. less than 10 J. C. 10 J. D. none of the above

Environmental & Atmospheric Sciences

Environmental ethics is best defined as ________

A) studying the moral relationships of humans to the environment and the environment's living organisms B) studying the rightness and wrongness of human actions C) actions taken by humans in the environment in which they live that have impact D) studying the economic value of all living things in their environment E) the extrinsic value placed on people, organisms, and objects in the environment

Environmental & Atmospheric Sciences