$A$ - The salt concentration is less than $5$ (parts per thousand) in inland waters.
$R$ - The salt concentration is $45 -50$ (parts per thousand) in the sea.
$A$ and $R$ both are correct.
$A$ and $R$ both are incorrect.
$A$ is correct, $R$ is incorrect.
$A$ is incorrect, $R$ is correct.
If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why not?
Why are coral reefs not found in the regions from west Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India ?
Factors which play significant role in the formation of major biomes are
Niche is defined as the