Before the Renaissance, during the Middle Ages, people relied solely on the Catholic church for their information about the world. They based their facts on the Bible and what religious figures told them. During the Renaissance, a more secular way of thinking developed. As the printing press grew, more people became literate and were able to interpret the Bible for themselves. This led to the creation of new religions and theories about science. People began to challenge the old social order and authorities and began to question the morals and motives of the seemingly corrupt Catholic church.
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:
(D) ability of the brain to control basic functions such as respiration and blood
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