The government is raising awarness of pollution.

Blindness develops as retinoic acid cannot be converted to retinal, which participates in vision.

Zucchini is very low in purines. Purines are what is responsible for raising the production of uric acid in the blood stream. You can eat as much of it as you like.

When carbonic acid decomposes we get carbon dioxide and water. Other substances may be present too, depending on which raising agent is used to produce the carbonic acid.