The coastal regions of Sierra Leone record an annual rainfall of over

Which of the following has the highest salinity?

River regime is best described as the

Which of the following rocks is organically formed?

Plateaux formed together with fold mountains are best described as

Nigeria major export commodity is

The broad-leafed evergreen and dense equatorial forest of the Amazon basin is called

Which of the following criteria is used to classify settlements into rural or urban?

A settlement where two rivers meet is called a