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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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kendreae kendreae
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7 years ago
Much of Earth's water supply originated from 
A)  asteroids. 
B)  icy comets. 
C)  gases expelled from the Sun; i.e., solar wind. 
D)  photosynthesis.
Textbook 
Geosystems: An Introduction to Physical Geography

Geosystems: An Introduction to Physical Geography


Edition: 7th
Author:
Read 118 times
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One touch of nature makes the whole world kin.  William Shakespeare
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qvcqvc
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kendreae Author
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7 years ago
Smart ... Thanks!
nadiia
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Yesterday
this is exactly what I needed
Zacellison
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2 hours ago
Brilliant ツ
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