The African continent isn't suffering from the environmental challenge "reforestation", since most of the continent hasn't suffered deforestation.
Answer:
to represents population distribution or to represent no of population
It most commonly forms in clear, warm, shallow marine waters. It is usually an organic sedimentary rock that forms from the accumulation of shell, coral, algal, and fecal debris. It can also be a chemical sedimentary rock formed by the precipitation of calcium carbonate from lake or ocean water
