The correct answer is: A. 1/2
Hot and cold deserts together occupy nearly half of the world’s land area. Hot deserts are found in tropical and subtropical regions, while cold deserts are found in polar and high-altitude regions. Hot deserts are characterized by high temperatures, low humidity, and little rainfall. Cold deserts are characterized by low temperatures, high winds, and little precipitation.
Option B is incorrect because hot and cold deserts together occupy nearly half of the world’s land area, not one-fourth.
Option C is incorrect because hot and cold deserts together occupy nearly half of the world’s land area, not one-third.
Option D is incorrect because hot and cold deserts together occupy nearly half of the world’s land area, not three-fourths.