Which of the following best explains how subsoil becomes rich in minerals?
A.
The bedrock below the subsoil is broken down into smaller particles.
B. Volcanic activity heats the rock fragments in the subsoil and releases minerals
C. Groundwater flows through the subsoil and deposits minerals.
D. Minerals from the topsoil leach down into the subsoil.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.