Which of the following statements about australia is true? a. it is the only former european colony in the southern hemisphere. b. it is the only country that is also a continent. c. it has the highest average elevation of any country in the world. d. it is the only country with a mostly desert climate.

Which occurs when air is compressed? air molecules move slower. air temperature rises and air molecules move faster. air temperature decreases. air temperature decreases and air molecules move faster.

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

In the diagram below, ab and bc are tangent to o. what is the measure of