In Science Experiments. a more reactive metal displaces a less reactive metal because a more reactive metal has more affinity for other nonmetals than a comparitively less reactive protein. for exam â¦ ple, iron displaces copper from copper sulphate as it is more reactive than copper and hence it forms iron sulphate.
Pears have a core surrounded by flesh, meaning pears are pomes. A pome (pohm) is a fruit that has a core surrounded by fleshy tissue that we can eat. The core is usually not eaten. Berries are different - the seeds are inside the fleshy part, not separated from it by a core. Apples and pears are pomes. Drupe
1. pumice-a light glass formed on the surface of some lavas; used as an abrasive. pumice stone. rock, stone-material consisting of the aggregate of minerals like those making up the Earth's crust; that mountain is solid rock; stone is abundant in New England and there are many quarries.. (Geological Science) Also called: pumice stone a light porous acid volcanic rock having the composition of rhyolite, used for scouring and, in powdered form, as an abrasive and for polishing. vb. 2. (Tools) (tr) to rub or polish with pumice. [C15 pomys, from Old French pomis, from Latin pÅ«mex ].