Many coniferous trees with needle like leaves.
Option A is the answer... Hope it helps
171 km³ per year.
0.006% = 0.006/ 100 = 0.00006 ;
0.00006 * 2,850,000 km³ = 171 km³ per year.
You can write things down, read the material out loud, and read and reread your materials until you pretty much memorize it