Add spaces: Thosewerebasedontherelativenumbersofstableisotopes.

Answer: Those were based on the relative numbers of stable isotopes.

Add spaces: 12-03-2015-VolvoOceanRace:LifeattheExtreme(8)

Answer: 12-03-2015 - Volvo Ocean Race: Life at the Extreme (8)

Add spaces: Howmuchdoesruraldevelopmentcost?Wheredoesthemoneycomefrom?

Answer:
How much does rural development cost? Where does the money come from?