Which word best describes volcanic rock?

A) cemented
B) transparent
C) intergrown
D) fragmented


Answer: C

Environmental & Atmospheric Sciences

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The kind of plastic with the highest recycling rate is

A. Polystyrene (PS) B. High-density polyethylene (HDPE) C. Polyethylene terephthalate (PET) D. Polypropylene (PP)

Environmental & Atmospheric Sciences

Which of the following best matches the description?Molecule consisting of three atoms of oxygen.

A. particulates B. acid deposition C. thermal inversion D. primary air pollutants E. oxides of nitrogen F. ozone G. sulfur dioxide H. secondary air pollutants I. greenhouse effect J. radon K. photochemical smog

Environmental & Atmospheric Sciences

The Red List of Threatened Species was developed by:

A. International Union for the Conservation of Nature B. The Environmental Protection Agency C. The National Rifle Association D. Safari Club International

Environmental & Atmospheric Sciences

In addition to designation of horizons, soil scientists also designate subhorizons, for instance, indicating human activity or presence of organic matter

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences