* Which area is more humid than any other area of the sub-Sahara?

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 causes the cyclical changes in the appearance of the moon?

How do oceanographers measure the salinity of ocean water?