Well the loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.
By cutting down trees, we are stripping the Earth of it's ability to undo all of our climate change. Climate change is caused by humans releasing carbon dioxide and methane into the atmosphere, and trees soak up 50 pounds of carbon dioxide each year. So, cutting down trees is basically helping climate change. Deforestation is also affecting the Earth because all the animals who live in forests and trees are going to go extinct if they can't find a new home and adapt to it.
The movement by people from one place to another with the intentions of settling, permanently in the new location is called migration. Migration may be by individuals, family units or in groups. Most of the people get migrated for employment, in present scenario
It is a gemstone that is found on the African continents and is made pos the silica materials and has compounds of the aluminum and iron and the potassium lithium and the sodium and this is classified as a semi-precious stone. The metamorphic rocks and the sandstone consists of these minerals and the colors of the gemstone cane alter by the heat treatment.