2. what information about the earth can rocks provide?

Rocks can provide about  earth and its fossils.

Explanation:

On seeing rocks can says much about the history of evolution such as the earth,water,huge rocks is the older ones where as the smaller one is the younger one. We can find many fossils in the rock and many species which had been extinct now.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.

plants absorb water from the soil by osmosis. root hair cells are adapted for this by having a large surface area to speed up osmosis. the absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: it transports dissolved minerals around the plant.