Explain the theory of plate tectonics and how they have changed Earth's surface over time. Include the role of plate tectonics in the creation of landforms.

What is a reasonable action that provides safe water for communities?

The process by which liquid water changes into water vapour is called what ?

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion