Which of the following vitamins is synthesized in the body by intestinal bacteria_______?
Which of the following vitamins is synthesized in the body by intestinal bacteria_______?
A. Vitamins B1
B. Vitamins B12
C. Vitamins E
D. Vitamins K
Which of the following vitamins is synthesized in the body by intestinal bacteria_______?
A. Vitamins B1
B. Vitamins B12
C. Vitamins E
D. Vitamins K
What is the name of the central part of the earth?
A. Mantle
B. Core
C. Crust
D. None of the above
A. Ibn-e-Haitem
B. Benjamin Franklin
C. Archemedes
D. None
A. Kidneys
B. Lungs
C. Large intestine
D. Liver
A. Jupiter
B. Saturn
C. Neptune
D. Mercury
A. Hot
B. Cold
C. Both
D. None