Vitamin C deficiency leads to:____________?
Vitamin C deficiency leads to:____________?
A. Scurvy
B. Cold
C. Cancer
D. Rickets
Vitamin C deficiency leads to:____________?
A. Scurvy
B. Cold
C. Cancer
D. Rickets
A. Manganese
B. Magnesium
C. Gypsum
D. Bauxite
E. None of these
A. Sugars
B. Hormones
C. Vitamins
D. Minerals
Birth control pills contain synthetic forms of estrogen and progesterone. These synthetic hormones help keep the natural levels of estrogen and progesterone in your body constant so that eggs do not mature and the lining of the uterus never develops enough for a fertilized egg to implant.
A. Ship
B. Light
C. Sound
D. aircraft
A. Nitrous Oxide
B. Methane
C. Carbon Dioxide
D. Carbon Dioxide & Nitrous Oxide
Carbon dioxide (CO2) is used in some hand-held extinguishers and in fixed systems to displace oxygen and smother the fire. CO2 is used in some dry chemical (powder) hand-held and wheeled extinguishers as a propellant to expel the agent (dry chemical) which, through a chemical reaction, extinguishes the fire.
A. Sea Food
B. Seeds
C. Fruits and Vegetables
D. None of these