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Terrestrial life-forms need fresh water because their bodies cannot tolerate high amounts of:

ADissolved salts
BDissolved oxygen
CDissolved gases
DFresh minerals
Answer & Solution
Correct answer: A. Dissolved salts
1. All cell reactions happen in water. 2. Saline water's dissolved salts cannot be handled. 3. So land life needs accessible fresh water. _Source: syllabus Science, Chapter 14, Natural Resources._
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