Tropical climates and rainforests are found near the equator
1. Day and night cycle - the rotation of the Earth results in the day and night cycle as different parts of it are exposed to the sunlight at different times.
2. In the Northern Hemisphere the winds tend to curve toward the right, which is caused by the earth's rotation.
Doldrums are caused by solar radiation from the sun. Because of this the sunlight beams warms the air and causes it to rise straight up instead of side to side (horizontally).
C. South Africa goes through another economic recession