Physical Geography of Africa

the absence of rainfall from an area of land

• arid
• drought
• harmattan
• desertification

to artificially water crops

• harmattan
• tributary
• oasis
• irrigation

a region where tall grasses grow

• savanna
• sahel
• sahara
• rain forest

a fertile place in the desert where there is water and vegetation

• irrigation
• arable
• oasis
• tributary

rich soil that is able to grow many plants

• cash crop
• tributary
• savanna
• fertile

very dry

• arid
• fertile
• savanna
• harmattan

in short supply

• arid
• sahel
• cash crop
• scarcity

a narrow strip of semi-arid land south of the Sahara in Africa

• Sahara
• Sahel
• Savanna
• Rain Forest

a strong, dry wind that blows in winter, carrying clouds of sand and dust

• cash crop
• drought
• nomad
• harmattan

a change from productive land to desert

• deforestation
• desertification
• harmattan
• oasis