Who came up with three laws of motion?
A. Galileo
B. Albert Einstein
C. Issac Newton
D. Hubble
A. Galileo
B. Albert Einstein
C. Issac Newton
D. Hubble
A. Elliptical
B. Spiral
C. Irregular
D. None of these.
Note: The Andromeda Galaxy also know as Messier 31, M31 or NGC 224, is a Spiral galaxy approximately 780 kilo par sec ( 2.5 Million light years ) from earth.
Spiral galaxy: a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.
A. Sugar and proteins
B. Starch and proteins
C. Starch and sugar
D. None of these
Medulla oblongata is a part of human ___________?
A. Heart
B. Brain
C. Liver
D. Sex organ
A. Methane, Ethane and Hexane
B. Ethane, Hexane and Nonane
C. Methane, Hexane and Nonane
D. Methane, Butane and Propane
A. Acoustics
B. Ecology
C. Ichthyology
D. None of these
A. Audiosonic
B. Infrasonic
C. Ultrasonic
D. Supersonic
Sounds with frequencies below 20 hertz are called infrasound. Infrasound is too low-pitched for humans to hear. Sounds with frequencies above 20,000 hertz are called ultrasound.