How do agricultural products contribute to the economy of SA

Explanation:

Agriculture acts as both a market for others sectors in the economy through backward linkages and also as a provider for raw materials to others through forward linkages. Furthermore, agriculture contributes substantially to employment creation in South Africa.

predicting long term climate trends reliably is much easier than predicting short term weather, owing to the different data sets used for each.

explanation:

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.