Dredging streambeds may be an effective technique for mining salt.

a. True

b. False

Will the following measures form a triangle? 90° 12° 78° yes/no if yes, what type? If not, why not?

Why are the seasons in North and South America reversed? a. The seasons are reversed because the Earth's rotation has changed direction. c. The seasons are reversed because the tilt of the Sun changes. b.

Brandy has built a computer model of a weather system. She has included information about bodies of water, the Sun, and the atmosphere. In her model, Brandy doubles the size of an inland sea.

What direction is lake ontario from lake michigan?

4 main forms of precipitation

Charge-coupled devices (CCDs) are used in which of the following gadgets? A. mouse B. keyboard C. monitor D. scanner

A star with a continuous spectrum shines through a cool interstellar cloud composed primarily of hydrogen. The cloud is falling inward toward the star (and away from Earth). Which best describes the spectrum seen by an Earthbound observer

Where does most seismic activity occur?

The map shows latitudes and longitudes of Australia. Which city is located at approximately 35°S, 149°E? Sydney Melbourne Canberra Adelaide

What is the movement by wind water or gravity of soil from one place to another called?