Lightening rod was invented by:
A. Benjamin Franklin
B. Michael Faraday
C. James Watt
D. None of these
Who discovered Planetary Motion:
A. Charles
B. John Adam
C. Kepler
D. Newton
How Talus Cone made?
A. By rock fragmentation
B. By rain
C. By Flood
D. None of these
Rocket propulsion follows which law:
A. Law of energy
B. law of matter
C. law of conservation of momentum
D. law of conservation of mass
Concept of Homeostasis refers to ?
A. Maintaining stability /Balance internal environment
B. Maintaining external environment
C. Maintaining earth temperature
D. None of these