According to World Health Organisation, approximately 500,000 preschool age children go blind each year due to vitamin A deficiency. Vitamin A is need for proper functioning of the immune system and for the proper functioning of the eyes. Sources of vitamin A include: egg, liver, vegetable with high carotene contents, fortified milk, fruits, etc.
Answer: the answer is B.
I hope you learn a lesson. :)
I mean, find what you want to work on when feeling mentally unstable. I guess just make a goal to what you want to achieve when doing this.
Answer:
HAPPY BIRTHDAY!!!! i hope you have a amazing birthday/ day :D