What are you asking, for the def??
National-building began in Europe as a result of war and the growth of cities.
Answer:
1.to protect people to any virus and to look attractive
2. to maitain a good system and good condition
3.on the cleaniest place and have good air
The main type of energy is oil and natural gas
Answer:
False
Explanation:
Mercury and Venus are the planets without orbiting satellite in our Solar System.
Earth has just one satellite and Mars has two of them.
Among the giant planets the number of satellites is really bigger, for example Jupiter has 67 and Saturn 62; Uranus has 27 and Neptune has 14.
