Why is purification of water and nutrient salts so important in studies invoving mineral nutrition using hydroponics?

Lateral conduction of water and mineral salts in an old dicot stem is performed by

Why skull is important for us? Enlist few reasons.

Why do we use iodized salt?

Important salts found in sea water.

Nitrogen Cycle: Why is nitrogen cycle important to us?

Explain.' Nanotechnology plays an important role in water purification techniques.

Which is the oxidant used for purification of drinking water?

When salt is stirred into water, the mixture so obtained is a _

Choose the correct option mcorrhiza is a symbiotic association of fungus with root system which helps in Absorption of water, Mineral nutrition, Translocation, Gaseous exchange.

Why are geo-stationary satellites not useful for studies of polar regions?