Choose the correct item

1. Exercise helps us
   [destroy|burn] calories more easily.
2. You're looking so much healthier now that you're eating sensibly;
   [give|keep] up the good work!
3. People who are watching their weight prefer food which is
   [low|short] in fat.
4. A piece of fruit or some nuts are healthy
   [desserts|snacks] to have if you're hungry between meals.
5. Did you know that spinach is
   [rich|full] in iron?
6. Jane is a vegetarian, and doesn't eat any meat
   [produce|products].