<h3><u>Answer;</u></h3>
i) Population density
ii) Under population
iii) Over population
Population density is the number of people living in a square mile. In the future, economically developed nations may not have enough money to take care of older citizens because of underpopulation. In low-income nations, overpopulation is one reason for low standard of living.
Answer:
Terrestrial planets
Explanation:
There are two types of planets:
- The inner planets or terrestrial planets
- The outer planets or Jovian planets.
The outer planets are gas giants and are made of huge mounds of gases. These planets are Jupiter, Neptune, Uranus and Saturn. They all have satellites revolving round them.
The terrestrial planets are small rock masses. They are mercury, venus, earth and mars. Earth has one satellites and Mars has two satellites.
The asteroid belt seperates the Jovian and terrestrial planets. Beyond the Jovian planets lies the Kuiper Belt Objects or KBOs.
The technology that is used to service space vehicles and other equipment is space station.
<h3>What is technology?</h3>
Technology are new innovation, idea and discoveries. It involves the use of computerized system to make work easier and efficient.
To service a space vehicle a space station is a used.
The space station operates in the air and is capable f supporting a human crew that works in the other space equipment. The station serves as a workshop to retreat and fix all damages equipment and machineries used in space.
Therefore, the technology that is used to service space vehicles and other equipment is space station.
Learn more on space station below
brainly.com/question/457589
#SPJ1