Coast

The learning activity has three parts:

## Geology, Geomorphology and litoral dynamic[edit | edit source]

### Earth, water planet[edit | edit source]

What share of Earth surface is covered by the sea?

| Half.

|

| Aproximately 70%.
| Less than one tenth.

### Lithosphere, hydrosphere and atmosphere[edit | edit source]

Left to right, how are they ordered?

| Below the sea, above the stone, and at the top of the air.

|

| The lithosphere surounding outside the hydrosphere, and both bellow the atmosphere.
| Water, that is more heavy, below the air, and the ground below both.