2) what is an alloy? write three examples of alloy, composition and uses of any three.​

An alloy is an admixture of metals, or a metal combined with one or more other elements.

For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold,etc..

Alloys are used in a wide variety of applications, from the steel alloys, used in everything from buildings to automobiles to surgical tools, to exotic titanium alloys used in the aerospace industry, to beryllium-copper alloys for non-sparking tools.

i believe that it is a exoplanet

a) the particles of the chair are strongly held together.