Which practice can reduce food waste?
request more food per serving than you are able to eat.
buy processed foods instead of fresh foods.
eat leftovers instead of tossing them.
wait until the expiration date to prepare food.

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3