Question:
The dissolved salt concentration is ---- in the fresh water of the streams.
The dissolved salt concentration is ---- in the fresh water of the streams.
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Salinity is measured in parts per thousand. Fresh water has the lowest value, and sea water is about 30-35 ppt.
Updated On: Nov 12, 2026
- less than 5 ppt
- 50 ppt
- 30-35 ppt
- more than 100 ppt
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Salinity is the dissolved salt content, expressed in parts per thousand (ppt).
Step 2: Typical values
Inland waters such as streams have less than 5 ppt.
Sea water has about 30-35 ppt.
Some hypersaline lagoons exceed 100 ppt.
Step 3: Select
For stream water the value is less than 5 ppt.
Final Answer:
The salt concentration in stream water is less than 5 ppt. \[ \boxed{\text{(A) }\text{less than 5 ppt}} \]
Salinity is the dissolved salt content, expressed in parts per thousand (ppt).
Step 2: Typical values
Inland waters such as streams have less than 5 ppt.
Sea water has about 30-35 ppt.
Some hypersaline lagoons exceed 100 ppt.
Step 3: Select
For stream water the value is less than 5 ppt.
Final Answer:
The salt concentration in stream water is less than 5 ppt. \[ \boxed{\text{(A) }\text{less than 5 ppt}} \]
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