The good sources of Vitamin-C are

1. The good sources of Vitamin-C are 

A. green leafy vegetables
B. seeds

C. fresh vegetables and fruits

D. sea foods

2. The good sources of iodine are 

A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits

D. sea foods

3. The gas, commonly known as “laughing gas”, is 

A. Cabon Dioxide
B. Sulfur Dioxide

C. Nitrous Oxide