This means to officially publish the informal rules.
Answer Promulgated = officially published, for example: act; Answer.Proclaim publicly 1. To make known (a decree, for example) by public declaration; announce officially. See Synonyms at announce.2....
Birth rate is the amount of baby's per 1000 people living in a given area
the rate of motion is distance over time
It's basically the percentage of the population who can read and write.
you're always hungry and never gain weight. u digest food and use energy too fast.