If a marine fish is placed in a fresh water aquarium, will it be able to survive?

Suppose Euphorbia and Maize are grown in the tropical area. Which one of them do you think will be able to survive under such conditions?

The green scum seen in the fresh water bodies is

When a piece of ice is placed in water at room temperatur, ice melts and water cools down. Why does their temperture change?

A body floats on water with one third of its volume above the surface of water. If it is placed in oil, it floats with half of its volume above the surface of the oil. The specific gravity of the soil is

Find out free livign fresh water flat worm.

A closed bottle containing water at 30^@C is carried to the moon in a space-ship. If it is placed on the surface of the moon, what will happen to the water as soon as the lid is opened?

Give examples of an anJMDl and plant that can survive in fresh water as well as marine water.

Give reasons : A ship dips to a larger depth in fresh water as compared to marine water .

Why does it happen ? A ship dip into a larger depth in fresh water as compared to marine water.