Tag: constituents of air

Water can be found in liquid form in oceans, rivers, lakes and rain; in solid form in ice and snow; and as a gas (water vapour) in the atmosphere.

Distilled water is not a form of natural water. It is one of the form of purified water.

The water is collected from all of the above natural sources i.e lakes, rivers, ponds, and wells.

The approx. percentage of water human body is $70\%$. The average adult human body is $50-65\%$ water, averaging around $57-60\%$. The percentage of water in infants is much higher, typically around $75-78\%$ water, dropping to $65\%$ by one year of age. Body composition varies according to gender and fitness level because fatty tissue contains less water than lean tissue. 

Water covers over 70% of the earth's surface.

Water occurs in both free and combined state. In free state in the form of lakes, rivers and in the combined state in the form of body fluids.

Human body contains approximately 70% of water.

Water occurs in oceans in maximum amount.

Fruits and vegetables contain large quantities of water in proportion to their weight. When these foods are eaten, the water can be absorbed by the body. These water found in Vegetables in combined state.

Most of this water present on earth in different sources is not fit for human consumption. The water that is fit for use is freshwater.