The equator is the ideal basis for all latitudes why?

Suggest 3 different reasons why there is an ageing population in the uk .

Ascientist observes hot water erupting from a vent in the earth. what most likely caused the water to rise and erupt from the vent? the vent was lower than the water table. a well was drilled into a pressurized aquifer. a well with a mechanical pump was installed. the water was heated by magma or hot rocks.

What is the longest river in central asia, and which countries does it border