Answer:
Unitary
Explanation:
In a unitary form of government, all the power rests in a central government. The country may be divided into states or other sub-units, but they have no power of their own
The great rift valley was formed by violent subterranean forces that tore apart the earth's crust. These forces caused huge chunks of the crust to sink between parallel fault lines and force up molten rock in volcanic eruptions.
The magma chamber below the Yellowstone caldera. It's located in Yellowstone national park.
A geologist's job includes determining the history of an area.
Answer: Option C
<u>Explanation:</u>
Geologists are researchers who studies the materials available in the earth about their nature, characteristics and their age. Speaking of the age of the materials it helps to understand the history of the earth, Each area in the earth's history has undergone several civilizations and lifestyles.
Also, it has experienced various natural changes or special space happenings. By working on that with the founded specimens or collected evidence they can create reports. That can help to get a clear understanding of the climatic changes, history and topography of the species are in the world.