Answer:
Internal srtucture adaption
Earthquakes only occur at transfer boundaries where two tectonic plates will slide or rub past each other.
If there are no boundaries in mid-America, then earthquakes are not possible.
Lake is the large body of water found inland and usually feed by a stream.
Explanation:
Lake is a water body that is found inland and usually feed by stream or rivers . Lakes supply drinking water to the cities. Lake plays huge role by providing water to the people which are used for various purpose agriculture, drinking, irrigation. It prevents flood and during dry season it maintains a flow of water. Lakes are also used for hydel power development.
Lake store water and during shortage it provides water . Lakes improves water quality as well as increases the groundwater level and also help in preserving biodiversity.