The study of the meaning of words is called semantics.
a. True
Answer:
1. Economic Union
2. Autonomous and Sovereign country
Explanation:
The Euro was established on January the 1st in 1999. Its purpose was to unite the countries of the Eastern and Western Europe. But not only that, it's main purpose was to help economically all the countries of the European Union; by having a same monetary system, the economy would flourish and build from it, making each country as strong as everyone else. Besides, all countries within the European Union would be autonomous and the would dictate their own rules; in other words, they would remain sovereign, without having anyone making decisions from the outside.
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.
Tech tools , outsourcing morale , attitude , & the boss.
