8.Methane is a gas released by livestock, as a result of digestive processes. Fig. 6.3 is a
bar chart that compares the amount of methane released by different types of livestock.
![a4](https://kcpe-kcse.com/wp-content/uploads/2014/10/a4.png)
Approximately how much more methane is released by a cow than by a goat?