Three countries with the letter a apering 3 times

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

What is the mercury length of time for one revolution around the sun?

Select the natural regions. delta denver forest georgia north america plateau stream