Why are aerated water bottles kept under water during summer ?

Why are alkali metals not kept under water?

A gardener forgot to water a potted plant for a day during summer, what will happen to the plant ? Do you think it is reversible ? If yes, how ?

Explain the following: Why do the glaciers not melt completely during summer?

How frog respires under water?

(a) Explain the following phenomena with the help of Henry's law. (i) Painful condition known as bends. (ii) Feeling of weakness and discomfort in breathing at high altitude. (b) Why soda water bottle kept at room temperature fizzes on opening?

The "seaweeds" that for the under water forest are

Why is oxygen depletion in eutrophicated water faster at night than during the day?

The water that comes out during guttation is

During hardenting , plants are kept under

Vitamins and water are included under