If you were given 86.3 grams of ammonia what mass of oxygen gas would be needed?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Draw metallic bonding if two copper

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d