The correct sequence of biomes from northern to southern Nigeria is
-
A.
Guinea savanna → sudan savanna → tropical rain forest → sahel savanna → estuarine -
B.
Estuarine → tropical rain forest → guinea savanna → sahel savanna -
C.
Sahel savanna → tropical rain forest → estuarine → guinea savanna -
D.
Sahel savanna → sudan savanna → guinea savanna → tropical rain forest → estuarine