More than 50% of the gas molecules in Earth’s atmosphere are found in the troposphere layer. Identify the force responsible for pulling these molecules closer to Earth’s surface. * Captionless Image

gravity

Explanation:

gravity is the force that pulls substances towards the earth

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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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.