What vitamin prevents neural tube defects? a) vitamin ab) folatec) iron

What body systems are involded in sleep homeostasis

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

An example of maslow's need for safety is reaching goals through self-discipline