The correct answer is A. tropical savannas.
Tropical savannas are a type of grassland with scattered trees. They are found in tropical and subtropical regions around the world, including Australia, South America, and Africa. The average total rainfall in tropical savannas is 100 – 150 cm.
Chaparrals are shrublands found in Mediterranean climates. They are characterized by their dense growth of drought-tolerant shrubs and small trees. The average total rainfall in chaparrals is 25 – 75 cm.
Deciduous forests are forests that lose their leaves in the fall. They are found in temperate climates around the world. The average total rainfall in deciduous forests is 75 – 150 cm.
Temperate forests are forests that do not lose their leaves in the fall. They are found in temperate climates around the world. The average total rainfall in temperate forests is 150 – 250 cm.