An ABIOTIC factor that can affect an ecosystem is: A. Virus
B. Locust invasion
C. Mass extinction
D. Hurricane

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explanation:

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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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.