Precipitation:
occurs evenly all over the earth
returns freshwater to the earth
occurs after condensation
is roughly equal to the amount of evaporation
creates new water

the missing space is phylum

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.

your answer is going to be physical weathering