General Science Questions

Bronze is the mixture of is a mixture of copper and tin. The composition is copper is 88% and tin is 12%.

The highway transportation system has helped to reduce traffic deaths with its easy flow of traffic under rash driving rules and also it helped to country economically.

Tyres that are used in an Aircraft for landing are tubeless tyres.

Vitamin-A plays an important role in Eye vision. Vitamin A helps form and maintain healthy teeth, skeletal and soft tissue, mucus membranes, and skin. It is also known as retinol because it produces the pigments in the retina of the eye. Vitamin A promotes good vision, especially in low light.