When a comet is observed for the first time, astronomers enter information about its position, size, and motion into computer simulations in
order to
OA
predict its orbital path.
B.
estimate its brightness.
OC.
measure the length of its tail.
OD
analyze it for animal life,
Pl hel!! And ty:)

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

The third stage of cellular respiration is (2 points)

Which material is commonly used as a culture medium for living cells