What is the average weight of Human Heart?
What is the average weight of Human Heart?A. 300 gram
B. 350 gram
C. 400 gram
D. 450 gram
B. 350 gram
C. 400 gram
D. 450 gram
		A. Circulation of the Air
B. Humidity
C. Temperature
D. All of The Above
		A. 62
B. 73
C. 79
D.53
The name of the common mineral salt present in sweat is ?
		A. Calcium Oxalate
B. Potassium Sulphate
C. Sodium Chloride
D. Iron Sulphate
E. None of these
		A. Graphite
B. Silica
C. Diamond
D. Iron oxide
Graphite is best suited for lubrication in air. It is a mineral made of loosely bonded sheets of carbon atoms, giving it a slippery texture that makes it a very effective lubricant.
A. Metre
B. Joule
C. Pounds
D. Dobson