عدد حلول x²+y²<=5 هو 21​

Which of the following statements about the migration of workers to other countries is false?

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today