1. How does seafloor spreading relate to continental drift? 2. Earth has remained about the same size since it formed 4.6 billion years ago. What does this suggest about subduction? 3. In what way is...

1. How does seafloor spreading relate to continental drift?

2. Earth has remained about the same size since it formed 4.6 billion years ago. What does this suggest about subduction?

3. In what way is the theory of plate tectonics like the theory of evolution, Newton’s laws, and the periodic table?