Which set of conditions best describes the weather at the area of lowest air pressure ? 
A. Bright sun with no wind

B. Partly cloudy with no wind

C. Mostly sunny with light winds

D. Overcast skies with strong winds

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted