Answer Questions to earn grains of rice via the Unite Nations World Food Program (UNWFP). 100 grains of rice = 1/2 hour of service 200 grains of rice = 1 hour of service If you are completing more than 30 minutes of service, please sign up for more than one shift! Example: 3 hours = 6 shifts This event does not require a replacement, and you will not be docked hours if you do not complete the service. Website: https://freerice.com/profile-login