Around the 1990s diamonds dominated Botswana's national economy.

1. aGive any two stages of diamond processing. [2]
2. bDiscuss two effects of the decline of the value of diamonds on the economy of Botswana. [4]
3. cState two minerals other than diamonds which contribute to the economy of Botswana. [2]
4. dState two ways in which mining affects the environment. [2]

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