Answer: the four terrestrial planets must once have been hot enough to be molten (like a liquid)
Explanation: Terrestrial planets can be defined as any planet of the solar system or any exoplanet which is "Earth-like" in the sense that it is composed primarily of metals and rock, in contrast to a planet which is a gas giant.
Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars.
Scientist believing that the densest, heaviest materials are at the center and not evenly distributed can be due to the fact that they must once have been hot enough to be molten. In this case, density will take place, making the heavier under and the lighter on top.
Answer:
it means that they are saying that tge nepal is country rich in social tradition it means it is the most rich in traditions cause nepal is a country that is respecful and nice in the country.
A) Cafeteria workers. You don't need a degree of any sort, or any training to be a Cafeteria worker.
Railroads greatly contributed to the development of the cattle industry in the late 19th century.