Health Education

A. Vitamin B
B. Vitamin c
C. vitamin D
D. vitamin K

A. Vitamin B
B. vitamin A
C. Vitamin C
D. Vitamin D

A. Proteins
B. Fats
C. Carbohydrates
D. Vitamins

A. Infertility
B. Cancer
C. Diabetes
D. ischemic heart disease

A. Nitrous oxide
B. Nitric oxide
C. CFCS
D. CO2

A. Animal waste
B. Sewage
C. fertilize
D. Mercury

A. physical hazard
B. chemical hazard
C. Biological hazard
D. Mechanical hazard

A. Mechanical hazard
B. physical hazard
C. chemical hazard
D. Biological hazard

A. Mechanical Agent
B. physical Agent
C. chemical Agent
D. Biological Agent

A. Mechanical origin
B. physical origin
C. chemical origin
D. psychological origin