Active volcanoes are most likely to form at
a. transform boundaries
b. divergent boundaries
c. the center of continents
d. convergent oceanic–continental boundaries

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

There are 4 red balls, 6 white balls, and 3 green balls in a bag. if one ball is drawn from the bag at random, what is the probability that it is not white?

What would be the distance of all the planets to the sun in astronomical units?