Why is electronic waste a problem?

A. It contains toxic heavy metals.
B. It contains toxic dioxin.
C. It contains toxic PCBs.
D. It contains lead-based paint.


Answer: A

Environmental & Atmospheric Sciences

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Compared to shifting cultivation, intensive subsistence agriculture is characterized by which of the following?

A) smaller farms B) lower population densities C) greater use of animal power D) more diversified cropping E) greater use of land in rainforests

Environmental & Atmospheric Sciences

In the Public Land Survey System, _______________ defines a point east or west of a principal meridian and _______________ defines a point north or south of a base line

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

  In the diagram, the densest part of the Earth is labeled as

A. A B. B C. C D. D E. E

Environmental & Atmospheric Sciences

At which of the following times does a mountain breeze develop its maximum strength?

A. about an hour after sunset B. just before sunrise C. about midnight D. early afternoon

Environmental & Atmospheric Sciences