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:
This was a representative form of government. A representative form of government is the foundation of democracy. It gives citizens the opportunity to choose who will represent them on large scales and make decisions on their behalf.
I think its 1 not 100 percent sure tho
Answer:
<D> i, <B>ii, <A>iii, <C>iiii
Explanation:
