how does over exploitation threaten biodiversity and how can this be solved

the supermassive black hole is in the middle of the galaxy.

this is a good question! i'll do some research and come back when i have the answer!

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.