Briefly describe how solar energy can be used to purify water
What will be an ideal response?
When water poured into clear plastic containers is left in direct sunlight for 6 hours, the combination of heat and UV radiation destroys common waterborne bacteria such as those that cause cholera, typhoid, and dysentery.
Nutritional Science
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Which of the following is considered an essential amino acid?
A. Methionine B. Alanine C. Serine D. Cysteine
Nutritional Science
Which of the following vitamins have antioxidant activity?
A. E B. K C. D D. B-6
Nutritional Science
Approximately what proportion of infants who die within the first year of life die within the first month after birth?
a. 1/3 b. 2/3 c. 1/2 d. 3/4 e. 5/8
Nutritional Science
Children with measles or measles-related infections may benefit from _____ supplementation
a. vitamin C b. vitamin A c. iron d. folate e. vitamin B12
Nutritional Science