Question

how much of earth is covered by plants

Answer 1

There are about 10 lakh species of a land and 22%of land on earth is covered with forest
Hope it helped u friend

Answer 2

According to some figures, the consensus is that 70.8% of the Earth's surface is covered by water; 29.2 % is covered by land. Other figures suggest the percentage of Earth's surface covered by water is 71.11%; the percentage covered by land is 28.89%. Only 3% of that water is fresh water, the rest is saltwater.

The amount of Earth covered by water is exactly 71.13%

70.78% of the Earth is covered in water.