The salinity in sea water in parts per thousand $(ppt)$ ranges between

  • [AIIMS 2016]
  • A

    $5-15\%$

  • B

    $30-35\%$

  • C

    $50-75\%$

  • D

    more than $100\%$

Similar Questions

Organisms which can tolerate and thrive in wide range of temperature are called .......... e.g. .........

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Consider the following four statements $(1-­4)$ about certain desert animals such as kangaroo rat.

$(1)$ They have dark colour and high rate of reproduction and excrete solid urine.

$(2)$ They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs.

$(3)$ They feed on dry seeds and do not require drinking water.

$(4)$ They excrete very concentrated urine and do not use water to regulate body temperature.

Which two of the above statements for such animals are true ?

  • [AIPMT 2008]

Nature and properties of soil in different places vary due to

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