Water covers 71 percent of the earth’s surface!
Answer:
West Africa’s Great Kingdoms
For hundreds of years, trade crisscrossed West Africa. For most of that time, West Africans did
not profit much from the Saharan trade because the routes were run by berbers, a group of
people from northern Africa. Eventually, that situation changed. A succession of three great
kingdoms came to power as their people, gained control of valuable trade routes in West Africa.
Ghanawas the first of these empires, followed by the kingdoms of Maliand Songhai.
Explanation:
Answer: Natural Inorganic solid
Explanation: . A mineral is an inorganic solid that possess a crystalline structure and are formed naturally by geological processes. it has a definite composition and an ordered atomic arrangement.
The study of minerals is called mineralogy. A mineral can be made of single chemical element or more usually a compound. Examples such as quartz
Answer:
The main difference is that the Crystals in an igneous rock is shaped as it crystallized from a melt. The structure in a Metamorphic are earlier structures (Crystal, sedimentary fragments, etc ) that have been deformed or recrystallized due to heat or pressure or some chemical change.
