The beginning of the Precambrian<span> period starts with the formation of Earth about 4.5 billion years ago and ends at the first sign of complex life about 540 million years ago. Though the </span>Precambrian<span> Period is often referred to as a period, it's actually the only supereon, which means that it spans multiple eons. The Precambrian is known as the geologic era. The Precambrian is the 1st era. hope that helped</span>
Answer:
C. elevation
Explanation:
A physical map depicting when it shows how much above or below sea level a physical feature is an elevation.
Generally, elevations are represented on maps by lines of contour, which typically connect points having the same elevation. Also, elevations are shown on a physical map by using bands of color to connect points.
In Geography, elevations are represented or measured in feets or meters
That would be Cornelius Vanderbilt
An American businessman who built his wealth in railroads and shipping.
He was born poor and he received only a mediocre education, but slowly acquired his wealth by persistence and hard work
He is best known for building the New York Central Railroad<span />
The interior of the Earth, like that of the other terrestrial planets, is chemically divided into layers. The Earth has an outer silicate solid crust, a highly viscous mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core.