Due to the chemical composition of the earth's atmosphere, most of the infrared radiation emitted by the warm surface never reaches space. Instead the radiation is reflected or absorbed by compounds known as greenhouse gasses. When these compounds absorb the infrared radiation from the surface, the atmosphere heats up.
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Explained below, hope that helps...
The needle of a magnetic compass always points torwards the North Pole
The three challenges which most multinational corporation in South Africa is facing today are the following listed below:
1. Courage. Corporate leaders need courage which to start and how to ask harder questions.
2. Hitting the right balance of power.
3. Appointing or assigning the right directors with good quality.