combustion of ethyne lab answers

eval;Humans seem predisposed to concentrate on whatever they can't prosper rather than on the things they can. This is especially problematic for persons with learning disabilities. Since most formal education centers around reading and writing, it is simple for an individual with dyslexia to get into this trap. Long before there was machines to sort out on and competitive sports to keep us moving and before wars were being fought, man didn't think about fitness and health as a technique of keeping healthy. He simply knew that if he didn't hunt, he wouldn't eat of course, if he didn't run, something would hunt him. They were challenging times that focused simply on survival.