It would be the O type spectral class due to it being blue.
Answer:
It is formed on earths surface because igneous rock is formed by volcanoes and volcanoes are on land
Explanation:
B. Humans were able to settle down and live in one place. No longer having to hunt seasonal and migrating prey, humans could focus on building communities but still relied on trade for supplies that were difficult to find or non native to their areas.
Answer:
its meh again
i need points,thats my excuse
