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: You have the advantage to fold laundry and cook a meal faster than your roommate because you can fold in 2 hours and prepare a meal in 1 hour, which is 3 hours in total. However, your roommate can fold laundry in 3 hours and cook a meal in 1 hour which is 4 hours in total. So you have an advantage because you take 1 hour less than your roommate.
Bartolemeu Dias a nobleman of the Portugese household and a famous explorer. In 1488 he sailed a ship around the southern tip of Africa becoming the first European ever to do so.
