Answer:
Low fertility rates that cause long-term population decline can also lead to population ageing, an imbalance in the population age structure. Population ageing in Europe due to low fertility rates has given rise to concerns about its impact on social cohesion.
First class is where a pair of scissors is
Joint Firs are the plants in which division can live as long as 1500 to 2000 years.
The density of the water causes pressure, which causes water to move.
I believe it’s geosphere and biosphere