Each line (unit) on the horizontal axis of this graph represents: 5 years
10 years
20 years
all of the above

Asap! ! ! western china, northern china and southeastern mongolia are all located in what climate zone? tropical wetdesert humid subtropical humid continental

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

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?