1.Prospective studies on nutrition often require subjects to keep detailed daily dietary logs. In contrast, retrospective studies often rely on recall. Which method (dietary logs or retrospective recall) do you believe is more likely to achieve accurate results

What is the purpose of the tenth amendment? a. to establish the electoral college b. to give each state constitution the same protection as the federal constitution c. to grant to the citizens of each state access to the federal court system powers d. to limit the power of the central government by establishing reserved powers for states and individuals