For proper formation of teeth, __________ is essential?
A. iodine
B. copper
C. fluorine
D. iron
A. iodine
B. copper
C. fluorine
D. iron
A. Whoog cough
B. Tuberculosis
C. Virus fever
D. Smallpox
A. Thoracic
B. Lumber
C. Pelvic
D. All are lying in spinal cord region
One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?
A. Molarity
B. Molality
C. Normality
D. Formality
A. Knowledge
B. Clouds
C. Rain
D. None
Nephology: The study of clouds; the branch of meteorology that is concerned with cloud types, their formation, development and dissipation.
Which of the following explains the reason why there is no total eclipse of the sun?
A. Size of the earth in relation to that of moon
B. Orbit of moon around earth
C. Direction of rotation of earth around sun
D. Area of the sun covered by the moon
E. None of these