A savanna is a tropical or subtropical grassland with few trees. Option D is correct.
What is savanna?
Savanna is also called savanna. It has a composite woodland-grassland ecosystem, represented by the trees standing adequately widely placed so that the shelter does not close.
It is a tropical or subtropical grassland with few trees. The empty roof permits adequate light to contact the ground to sustain an untouched nonwoody layer belonging mainly to grasses.
Therefore, option D is correct.
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