Robert is a 15-year-old boy. His recommended dietary intake for vitamin B12, C, and E is 2.4 µg/day, 75 mg/day, and 15 mg/day, respectively. He eats a salmon fillet with one cup boiled green beans and half a cup of fresh sliced strawberries for lunch. If the nutrient values of his meal components are as shown below, for which vitamins did Robert meet at least 75% of his recommended daily allowance?

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.