Atmospheric refraction can be defined as the refraction of light caused by the Earth's atmosphere. Atmospheric refraction is caused by the bending of light rays when they pass through the layers of the earth's atmosphere by varying optical densities.
An entrepreneur is an individual who creates and grows a business through their creative ideas. Entrepreneurs play key roles besides generating income as they grow their businesses. An entrepreneur identifies a commercial need in their community, crafts a business idea and takes the lead role to start their business
Entrepreneurs boost economic growth by introducing innovative technologies, products, and services. Increased competition from entrepreneurs challenges existing firms to become more competitive. Entrepreneurs provide new job opportunities in the short and long term.