There are ______ themes in geography.
A. Three
B. Four
C. Five
D. Seven
A. Three
B. Four
C. Five
D. Seven
The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?
		A. red waves
B. Infrared waves
C. Ultrasonic
D. super sonic
E. None of these
At what time of day is the relative humidity normally at a minimum ________________ ?
		A. When the air temperature is highest
B. Just before sunrise
C. About midnight
D. When the air temperature is lowest
		A. Nitrogen
B. Nitrates
C. Nitrites
D. None of Above
		A. 4.5 to 6.2 million
B. 3.4 to 6.8 million
C. 3.2 to 7.2 million
D. 4.0 to 5.2 million
The expected number of RBCs in a single drop, or microliter, of blood is 4.0 to 5.2 million in women and 4.5 to 6.2 million in men.
A. Red
B. Blue
C. Violet
D. Green
		A. A binocular
B. A camera
C. A epidiascope 
D. A stereoscope