Everything Science Grade 11

CHAPTER 9. THE LITHOSPHERE 9.9

Exercise 9 - 5

The following advertisement appeared in a localpaper:

ENERGY STARTS WITH SOUTH AFRICAN COAL

Coal SOUTH AFRICA

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No additives

No preservatives

No artificial colouring

Best before 2300

Coal is as old as the hillsand

just as natural.

It’s like juice from real fruit.

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�����

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1. ”Coal is as old as the hills, and just as natural.” Is this statement TRUE?Motivate your answer by
   referring to how coal isformed.


2. Coal is a non-renewable energy source. Quote a statement from the advertisement that givesan
   indication that coal is non-renewable. Give a reason for your choice.


3. Is coal actually a healthy source of energy? Motivate your answer byreferring to all influences
   that coal and coal mining have on both humansand the environment.


4. Why is coal used asa primary energy sourcein South Africa?

(DoE Exemplar Paper 2,Grade 11, 2007)

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9.9 Energy resources and their uses: Oil

ESBDE

Oil is another product of the lithosphere which is very important in meeting our fuel needs.