Europe and America used slaves for labor so the slaves in America or Europe are subtracted from the South African population.
Well this is basically how I would explain this to him
There is really no reason to be worried this isn't a good thing but it ie also not a bad thing either basically the earths atmosphere is changing and the titonic plates are moving so the earths crust will recreate new states and make more islands like hawaii
Hello!
Sedimentary rock can be transformed into B. Metamorphic rock through heat and pressure.