They should study about how volcanoes erupt or explodes
The answer is D. (Russia)
Earth's geosphere contains 99.94% of its mass. Hope this helps!
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.
(i) a. igneous
(ii) b. core
(iii) b. minerals
(iv.) a. sedimentary rock
(v.) b. crust