Which of the following best describes Earth's outer core?

A. high-density rock
B. low-density rock
C. metallic liquid
D. pure carbon
E. metallic solid


Answer: C

Environmental & Atmospheric Sciences

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Per unit area, the application of synthetic pesticides is higher on typical crop fields than it is on the average lawn

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The map below shows zone numbers associated with which coordinate system?



A) Universal Transverse Mercator
B) State Plane Coordinate System
C) Public Land Survey System

Environmental & Atmospheric Sciences

According to Köppen, the climate of a city situated high in the mountains of the middle latitudes would be classified as ____

A) tundra B) subpolar C) alpine D) highland

Environmental & Atmospheric Sciences

If the setting Sun appears red, you may conclude that ____

a. the Sun's surface temperature has cooled somewhat at the end of the day b. the longest wavelengths of visible light are striking your eyes c. the next day's weather will be stormy d. you will not be able to see the Moon that night e. the shortest wavelengths of visible light are striking your eyes

Environmental & Atmospheric Sciences