Which of the following is the best description of seafloor spreading? A. Melted rock from Earth's mantle rises between two tectonic
plates.
O
B. The seafloor sinks into the crust.
C. One tectonic plate moves under another one.
D. The continents move closer together.

The most common economic system in the world is aclosed economy.command economy.mixed market economy.traditional economy.

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

Ateam of researchers calculates that a glacier will melt completely away in the next 100 years. which land structure will most likely be left behind after the glacier melts?