### Week 4

#### ACTIVITY 1: Agricultural Pollution and Different Types of Pollution

1. Define the term "pollution." (2)
2. Give FIVE possible reasons that can be the cause of pollution in irrigational water in South Africa. (10)
3. What are the negative effects of water pollution in agriculture? (3)

#### ACTIVITY 2: Major Causes of Pollution and Types of Pollution

Read the following scenario and answer the questions on it:
Pollution caused by agricultural practices can have a negative impact on South Africa's natural resources. The National Environmental Management Act and National Water Act deal with pollution prevention.

1. Discuss THREE farming practices that are responsible for pollution in water. (6)
2. What THREE measures have the government introduced to control water pollution and conserve water? (9)

#### ACTIVITY 3: The Economic Impact of Soil Pollutants - Terminology and Comparisons

1. Define the following terms: (3)
- a. Pesticides
- b. Agricultural waste
2. Differentiate between the following: (10)
- a. Pollution vs. Pollutant
- b. Point source pollution vs. Non-point source pollution
- c. Biodegradable waste vs. Hazardous waste

#### ACTIVITY 4: Waste Management in Agriculture