The study of distribution of living organism is kow as demography, while studying their fosils is known as paleantology.
True.
Precipitation is a water cycle process that happens when tiny droplets of liquid falls from the atmosphere it was settling. The hydrogen and oxygen mix back together and forms the water droplet altogether as it falls.
The water cycle involves other process from evaporation, condensation and precipitation.
Then they must belong to the same kingdom because it is kin gdom,phylum,genus,class,order.
Two things that can occur is water levels may rise and the earth can get warmer.