Answer:

1. Because molecules in solids are often packed close together unlike liquid and gas.

2. Solids,Solids is medium for plant growth also medium for the filtration of water on its way to the groundwater aquifer comprised of crushed rock, air, water, plant matter, and organisms.

3.The water inside the beaker is decreasing while tiny droplets of water can be seen under the watch glass.

4. The blue hue of water is an intrinsic property and is caused by selective absorption and scattering of white light.

5. Any such activity that removes stabilizing vegetation will result in soil erosion.Both soil erosion by wind blowing and deflation and soil erosion by water sheetwash and gullying is to be expected if the protection of stabilizing vegetation is removed and these soils are exposed.