For proper formation of teeth, __________ is essential.
A-iodine
B-copper
C-fluorine
D-iron
A-iodine
B-copper
C-fluorine
D-iron
A. Vitamin A
B-Vitamin B
C-Vitamin C
D-Vitamin D » Read More…
A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these » Read More…
A- take in Carbon Dioxide
B-take in Oxygen
C-give off Carbon Dioxide
D-give off Oxygen
A. 1 – 5 days
B. 3 – 7 days
C. 4 – 8 days
D. 5 – 21 days » Read More…
A. Three groups
B. Six groups
C. Four groups
D. Five groups
A. scurvy
B. rickets
C. night blindness
D. osteomalacia » Read More…