The trans-neptunian object sedna has an extremely large semimajor axis. in the year 2004, it was estimated to be 480 au. what is the period of sedna's orbit, measured in earth years?

Exactly what kind of weather conditions would a cold front produce?

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

Which descriptions refer to cirrus clouds? check all that apply. are fluffy are wispy produce snow form at high altitudes form from ice crystals