One type of weathering is man made weathering. (For example) Humans may carve a rock or mine for minerals. Another type is natural weathering. This is when a river may push a rock or lighting may scratch a tree. That weathering is naturally occurring. Hope that helped!
Answer:
On their mode of formation
Explanation:
The classification of rocks into three major categories is strictly based on their mode of formation.
Rocks are naturally formed aggregates of minerals. Based on mode of formation, they can be classified into;
- Igneous rocks: these rocks are formed by the cooling and solidification of molten magma.
- Sedimentary rocks are formed by the compaction and lithification of sediment.
- Metamorphic rocks: these are changed rocks that have been formed by subjecting rocks to pressure and temperature conditions which causes an alteration of their minerology.
B: untied nations i do mj ethics
Answer:
Algeria
Explanation:
Algeria
Algeria had the highest life expectancy at birth in Africa as of 2019. A newborn infant was expected to live 78 years in the country. Lybia, Morocco, Tunisia, and Mauritius followed, with a life expectancy of 76 years. On the other hand, Central African Republic registered the lowest average, at 53 years