Which fossil occurs on the most land masses what does this suggest about when these particular continents break up

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

These factors threaten north americas ecosystems

What benefits does this type of farming have?