Formative Practice 4.4 – Form 4 Science (KSSM) Chapter 4


Question 1:
What causes landslides and mud floods to happen?

Answer:
Uncontrolled logging


Question 2:
State the effect of using excessive chemical fertilisers in agriculture.

Answer:
Chemical fertilisers seep into the soil and reach water sources like rivers. As a result, the water in the river is polluted. In addition, the acidity of the soil increases.


Question 3:
State two measures that can be taken to reduce deforestation.

Answer:
• Organise a recycle campaign
• Save on paper usage
• Control and limit logging activities

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