Question

A.
1. What makes water one of the most powerful and wonderful things
on earth?
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Answer 1

Answer:

the most powerful erosive force on earth is not wind but water, which causes erosion in its solid form — ice-and as a liquid. Water in its liquid form causes erosion in many ways.

Answer 2

Answer:

Water has many useful and different properties.

Explanation:

1.)

Water is known as universal solvent as it has the power to dissolve many solutes in it.

2.)

Water has very high specific heat capacity so it is used for coolents in cars and engines.

3.)

Water has a very special property. It has anamolus volume property. While in other materials when temperature increases volume increases but water when at negative temperature has higher volume than the same water at 4°C.

Infact water at 4°C has lowest volume and highest density.

4.)

The frictional force between the water molecules is called cohesive force