Hi I need to know this question omg is due Tuesday pls help

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from

Most of the volcanic activity that occurs in the ring of fire is a result of the a. formation of mantle plumes away from plate boundaries. b. subduction of one plate under another. c. movement of two plates away from each other. d. sliding of one plate past another.