How did the american anthropological association’s ""do no harm"" mandate come into existence?

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18

Central american countries are important agricultural producers. each year, the united states imports about five billion dollars’ worth of a. bananas b. cacao c. mangoes d. coffee