Does anyone understand this? Pls help

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population