Combustion can not take place without __________?
Combustion can not take place without __________?
A. Hydrogen
B. Air
C. Oxygen
D. Argon
A. Hydrogen
B. Air
C. Oxygen
D. Argon
A. 7
B. 8
C. 9
D. 6
The main function of kidney is____________?
A. to control blood pressure
B. to control body temperature
C. to remove waste from blood
D. to help in digestion of bady
A. An Israeli radar system
B. An American anti-missile system
C. A defence collaboration between Japan and South Korea
D. A device used in nuclear-fusion research for magnetic confinement of plasma
A. Al-khawarzimi
B. Pythagoras
C. IsaaC Newton
D. Al.kindi
A. Uranus
B. Saturn
C. Venus
D. Mercury
A. Polynucleotide
B. Polypeptide
C. Oxyacetylene
D. None of these