100g of calcium carbonate was heated until it decomposed to give calcium oxide and carbon dioxide. 56g of calcium oxide was left. work out the mass of carbon dioxide given off.

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

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