Answer:
Make the learning fun.
Explanation:
Use bright colors and large numbers, use symbolism as well (Show 2 Cookies, then put in one more cookie, then ask how many cookies are now there), and offer rewards to encourage the student and make it a good experience.
11 days . This is including proper diet and water.
D. Regular Exercise has been shown to reduce the physical effects of stress.
A wouldn't be correct because at home, you can find plenty of time to relax.
B would be wrong because it is opinion based and would be extremely difficult, if not impossible to experiment for.
And C would be wrong because mental discipline doesn't necessarily means you can take away stress.
Hope this helps!
~GeeksandNerds