Except nobody really answers except to tell me I'm an idiot (not those exact words, of course), prejudiced, mind-controlled, lol, but I don't get any "real" answers. And then we'd have to go back to sediment, perhaps apelike skulls and what the definition of gravity is. OK? P.S. I don't know if species other than salmon swim upstream to lay their eggs, I'm learning that soil is absolutely necessary for life, dirt and soil are not exactly the same, see, I'm learning...I'll bet that soil came before humans --