1.9 Analyzing The Science

The following data show the number of different types of livestock grazed in the world and in Nigeria from 1961–2008. Use these graphs and this table to answer the next 5 questions.

Grazing Livestock Population (in millions)

Type of livestock World in 1961 World in 2008 % change Nigeria in 1961 Nigeria in 2008 % change
Cattle 942 1372 6 16.3
Goats 349 864 0.6 53.8
Sheep 994 1086 1 33.9

19

INTERPRETATION

Question 1.11

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Question 1.12

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Question 1.13

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ADVANCE YOUR THINKING

Question 1.14

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Question 1.15

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