A. Difference in crystalline structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these
A. Oxygen
B. Light
C. Mositure
D. Temperature
A. Bird migration
B. Directional growth of a plant
C. Longevity of animal species
D. Behavioral pattern of human
A. Pollution
B. Prevention of ultraviolet rays
C. Trapping of solar energy due to atmospheric carbon dioxide
D. none
A. Fusionable
B. Fissionable
C. Combustible
D. None of these
A. Ultrasonic waves
B. Electromagnetic waves
C. Fundamentals of waves
D. Transverse wave
A. Thalamus
B. Hypothalamus
C. Aymgdala
D. None
A. Paper
B. Polythene
C. Eggshell
D. Gelatin
A. Sugars
B. Hormones
C. Vitamins
D. Minerals
A. High pressure
B. Rainfall
C. High temperature
D. Earthquake