If man IS responsible for global warming, then what caused the global warming that ended the last ice age 10,000 years ago?? This was thousands of years before the invention of the internal combustion...
just started my a-levels, and doing chemistry. in GCSE we were told that atoms had "rings" of electrons orbiting them, all in perfect circles, with 2 in the first then up to 8 in all the others. now i...