Estuaries are highly productive bodies of water. which of the following best explains the reason for this high productivity?

a. constant changes in salinity
b. act as a buffer for flooding
c. provide a habitat for many organisms
d. act as a filter for nutrients

Sam is a four-year-old child. as compared to other boys of his age, his skin looks dull. his hair appears damaged and dry. which nutrient is sam’s body likely lacking? a. proteins b. carbohydrates c. fats d. minerals

Which of these best describe the perceived body image of a person suffering from anorexia nervosa? a. accurate b. healthy c. normal d. overweight

Achildren’s pain relief elixir contains 80. mg acetaminophen per 0.50 teaspoon. the dosage recommended for a child who weighs between 24 and 35 lb is 1.5 teaspoons. what is the range of acetaminophen doses, expressed in mg acetaminophen/kg body weight, for children who weigh between 24 and 35 lb