Rth and Space Science A
English
Identifying Parts of the Earth System
Oud
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As a natural resource, the atmosphere interacts with other spheres in the Earth system. Match each sphere with how
it interacts with the atmosphere.
Rain falls from the atmosphere to replenish
lithosphere
fresh water.
hydrosphere
Plants absorb carbon dioxide during
photosynthesis
biosphere
Volcanoes erupt gases into the
atmosphere.
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
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