The two most obvious ones are on the far right, and near the far left. Oceanic lithosphere is descending into the earth's mantle at these places, and being destroyed. ... At convergent boundaries oceanic lithosphere is always destroyed by descending into a subduction zone
Answer: See explanation.
Explanation:
Because Astronomers have well-tested theoretical models that explain how a star evolves over the course of its life as well as well-tested theoretical models that explain how a star evolves over the course of its life.
Answer:
Writing
Explanation:
Hunter-gatherer societies had religion, art, language, and many other things that other later societies also had. But they didn't know how to write. Writing came later with more permanent settlements that were made possible by humans learning how to cultivate and grow their food and didn't have to move that much, or at all anymore.