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Concerning ocean salinity, consider the following statements:


1. In oceans, sodium chloride alone constitutes 95% of ocean salts.


2. The proportion of ocean salts vary in different parts of the ocean.


3. The salinity is constant throughout the oceans.


Which of the above is/correct?

  • a)
    1 only

  • b)
    2 only

  • c)
    3 only

  • d)
    1 and 2

Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Concerning ocean salinity, consider the following statements:1. In oce...
1. In oceans, sodium chloride alone constitutes 95% of ocean salts.

This statement is correct. Sodium chloride, commonly known as table salt, makes up about 95% of the dissolved salts in seawater. The remaining 5% consists of other dissolved minerals such as magnesium, calcium, and potassium.

2. The proportion of ocean salts vary in different parts of the ocean.

This statement is correct. The salinity of ocean water varies depending on the location. Factors that affect salinity include evaporation, precipitation, freezing and melting of ice, and the influx of freshwater from rivers. For example, in areas where evaporation is high and precipitation is low, the salinity will be higher. Conversely, in areas with high precipitation and low evaporation, the salinity will be lower.

3. The salinity is constant throughout the oceans.

This statement is incorrect. As mentioned above, salinity varies depending on factors such as evaporation, precipitation, ice formation and melting, and river input. Additionally, ocean currents and mixing can cause variations in salinity both horizontally and vertically within the ocean. Salinity is generally higher near the surface where evaporation occurs, and lower at greater depths.
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Community Answer
Concerning ocean salinity, consider the following statements:1. In oce...
Ocean Salinity

Introduction:
Ocean salinity is the measure of the concentration of dissolved salts in seawater. It is usually measured in parts per thousand (ppt) or practical salinity units (PSU).

Statement Analysis:
1. In oceans, sodium chloride alone constitutes 95% of ocean salts.
- This statement is correct. Sodium chloride, also known as table salt, is the most abundant salt in the ocean and constitutes about 95% of all ocean salts.

2. The proportion of ocean salts vary in different parts of the ocean.
- This statement is also correct. The proportion of ocean salts varies depending on factors such as temperature, depth, and proximity to rivers and other sources of freshwater.

3. The salinity is constant throughout the oceans.
- This statement is incorrect. Salinity levels vary throughout the oceans due to factors such as temperature, precipitation, and evaporation.

Conclusion:
In summary, statement 1 and 2 are correct, while statement 3 is incorrect. It is important to understand the factors that affect ocean salinity levels as it has significant implications for ocean currents, marine life, and climate.
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Concerning ocean salinity, consider the following statements:1. In oceans, sodium chloride alone constitutes 95% of ocean salts.2. The proportion of ocean salts vary in different parts of the ocean.3. The salinity is constant throughout the oceans.Which of the above is/correct? a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'D'. Can you explain this answer?
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Concerning ocean salinity, consider the following statements:1. In oceans, sodium chloride alone constitutes 95% of ocean salts.2. The proportion of ocean salts vary in different parts of the ocean.3. The salinity is constant throughout the oceans.Which of the above is/correct? a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Concerning ocean salinity, consider the following statements:1. In oceans, sodium chloride alone constitutes 95% of ocean salts.2. The proportion of ocean salts vary in different parts of the ocean.3. The salinity is constant throughout the oceans.Which of the above is/correct? a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Concerning ocean salinity, consider the following statements:1. In oceans, sodium chloride alone constitutes 95% of ocean salts.2. The proportion of ocean salts vary in different parts of the ocean.3. The salinity is constant throughout the oceans.Which of the above is/correct? a)1 onlyb)2 onlyc)3 onlyd)1 and 2Correct answer is option 'D'. Can you explain this answer?.
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