Question

multiple - choice question
what is the spread of dry, unproductive landscapes?
increase in dry temperatures
global warming
desertification

Explanation:

Desertification is defined as the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. It leads to the spread of dry, unproductive landscapes. An increase in dry temperatures is a contributing factor to desertification but not the term for the spread itself. Global - warming is a broader climate - change phenomenon that can contribute to desertification but is not the specific term for the spread of dry, unproductive landscapes.

Answer:

Desertification