gene transfer happens frequently in bacteria and can lead to drug-
resistant species when a beneficial mutation in the DNA of one bacterium
is shared among others.

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.

maybe because its impossible for balloons to lift a whole entire house.

. the sierra madre fault zone of southern california

. the san andreas fault california