Composition of bronze

Bronze is an alloy of copper and tin, with other elements. Hard and corrosion-resistant bronze is easy to cast, forge and machine. Britain’s “copper “ coinage is made of bronze containing 97% copper, 0.5% tin and 2.5% zinc..

what is CAMOUFLAGE?

  Disguise used by animals and plants to escape being seen by predators or to creep up unseen on their pray is called Camouflage. The common type of Camouflage is color matching; for instance, tree frogs and leaf beetles are the green of the leaves they sit on.