???????? ??????? ???? ???? ??? ????? ??? ?????? ???? ?????? ??? ????? !!?????? ???: ?? ???? ???????? ?? ????? ??????? ?????? ???? ?? ????? ????? ?????? ?????? ??????? ??????? ???? ?????.?? ???? ??? ????? ??????? ??????? ??? ??? ?????? ?????? ??.Deserts also almost certainly existed A lot earlier, through former periods of worldwide arid weather ins