Which of the following is the smallest planet in our solar system?
A. Mars
B. Earth
C. Mercury
D. Venus
The ozone layer is present in the atmosphere approximately ___50 to 100 Km high up the ground
A. 10 to 15 Km high up the ground
B. 12 to 50 Km high up the ground
C. 160 to 200 Km high up the ground
D. 160 to 500 Km high up the ground
MRI stands for
A. Magneto-Ray Iodometry
B. Medical Radiometry Instrument
C. Magnetic Resonance Imaging
D. Maximal Radiology Imaging
The shape of Milky Way galaxy is
A. Spiral
B. Rectangular
C. Natural Aerosol
D. Both natural and artificial aerosol