This is heavily disputed, and honestly, it varies on a person-by-person basis. Some people are visual learners (so it's effective for them to use videos and pictures to help them study), some prefer being hands-on, etc...
Generally though, I'd say the most effective method that works for most people is through visceralisation. This is the process of associating concepts, words. phrases etc. with your different senses (sound, touch, images...). You can read up more on it by searching up "visceralisation for studying".
Safety ... im pretty sure. <span />
Answer:
A. To provide your body with sufficient vitamins and minerals
Explanation:
Proper nutrition is crucial to maintaining healthy lifestyles. In combination with sufficient amounts of physical activity and exercise, proper nutrition can aid in <em>maintaining healthy weight, improving immune response and recovery time and the promotion of overall health</em>- this includes both physical and mental health. It also aids in risk reduction for the onset of chronic non-communicable diseases like osteoporosis, heart disease, diabetes and cancer.
The correct answer for those one, is Anhedonia
