The earth surface & crust constantly evolving due to ?
The earth surface & crust constantly evolving due to ?
A. Rotary cycle
B. Normal cycle
C. Rock cycle
D. Change cycle
A. Rotary cycle
B. Normal cycle
C. Rock cycle
D. Change cycle
What is the main component of bones and teeth?
A. Calcium carbonate
B. Calcium phosphate
C. Calcium sulphate
D. Calcium nitrate
A. Liver
B. Spleen
C. Kidney
D. Heart
A. Nitrogen
B. Nitrates
C. Nitrites
D. None of Above
A. Ampere
B. Coulomb
C. Ohm
D. Volt
A. Electron
B. Neutron
C. Proton
D. All of Above