Answer:
The Hadean eon represents the time interval between 4.6 billion to 4 billion years back. It is marked by the initial formation of the earth , right from the time of gathering and accumulation of interstellar dust particles and gases, and there was frequent collision between the planetesimals of relatively larger in size. The core and the crust formed and started to become stable and also gradually led to the formation and expansion of the ocean and the earth's atmosphere.
This is how the earth gradually started to form and develop and took the shape during the time interval between 4.6 billion to 4.2 billion years old, and where the oldest rocks found on earth is dated from about 4.2 billion years in the past.
C. Americans had the right to expand their control across the continent.
A continental volcanic arc created due to the subduction of the Nazca Plate beneath the South American Plate has lead to the formation of the Andes mountains and Cotopaxi Volcano.
Option B
<u>Explanation</u>:
Mountains and volcano are mainly created due to the movement of plate depending on type of plate when plates of converging nature the for folds which make them create mountainous topography or during subduction zone where the Andes mountain Cotopaxi volcano was created their reason for their formation was the movement of Nazca plate beneath the American plate which led to the mountainous formation along the volcanic formation. The movement in plates can really make all the difference in topography and that’s how all the mountains are formed by it Himalaya or any other mountain.
GDP, which we use right now, to see how many people have jobs, at what income, to decide how good the economy is. We could possibly use population density, as poorer countries/less developed countries tend to be more dense all around. Mainly economic things though, so GDP, income per capita. We use life expectancy, rate of literacy, freedom index..hope this helps
