Which is the best definition of environment as it relates to health

Which can be an effective way to reduce stress? a) getting in the habit of doing things perfectly the first time b) engaging in a fun physical activity on a regular basis c)taking an antacid for a stress-based stomachache d)studying extra hard the night before a test

This is the new face book like like like like like like

What would happen if you ate the number of calories of someone who is much taller and more active than you are?