How does evolution affect us today?

What would happen to kenya's pyramid if there was a rapid decline in its: a) birth rate b) death rate

Will someone earth science water cycle: will someone tell me how the water cycle works, but in a story? ? pretend you are a drop of water somewhere. (like; "once i was floating around in a cloud" or, "once i was lying in a puddle in the middle of a parking lot.) and tell your life story! and use the words "evaporation" "condensation" "accumulation" "transpiration" "precipitation" and "runoff" tell the story like your the drop of water telling your life story. include all the parts of the water cycle including those vocabulary words above. and !

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today