4 points
Recently being swallowed by the ocean has been another method the Earth has been using to remove them as well.
Ḿ̴̮̲͖̫̟̩̜̟̞̓̓̅̑̀̈́̃O̷̧̻̳̣͙̳͎͓͓̪̠̗͙̙͂̆̉͑̒̽̓́̾̄̂̌͑̈́̉͊̂̒̚͝͝T̵̨̨̠͇̭̦̩͈̣͎̠̥͚̖̞͎̙̬̼̥̄̅̈̈́̃̀̚͜H̴͉͕͂́̇̓̏̎̈̍̈́̀͌̋̕͘̚̕Ē̶̱̳̪̜̗͖̮͓̞̫̳̘̭̊̈́̿̎͜Ȑ̵̨̛̠͈͕̠͍̆̍̓͐̏͛͑̉̅̔̆́͛̓̕̕ ̷̛̹̈́̓̀̒̂̂̇̈́͆̍̇̿̒͑͒̚͠E̴̛̖Ạ̵̩͙̙̳̓͐̓̿̊̃͐̄̀̍̀͗́͐̚͘R̵̛̛̛̮̰̼̰̝̤̮͊͋̚T̵̢̛̘̜̝̗͈̫̺͖̼̟́̔̄͑̽̓̎͑̿̓̒̑̔̚͘̕Ḣ̷̠͎̩̖̘̰̟̈̿̈́̈́̄̀̅̈̌̽̃͐̑̄̈́̊͝ͅ ̵̘̳̣̽̒̒̂̇̂̈́̾̏͌̇̓̇͗̂͛̈́̊̓̕͝͠H̸̢̡̡̞͔͓͖̙̠̹̹̳͇̚͜Û̷̙̩̪̙̙̗͜Ņ̵̡̹̣̫͚̥̼̳̃̆͗̏͋̕G̸̩̤̹̟͉̫̐̕Ẹ̶̡̹̘̫̞͖͔͈͕̞̺́́̀͋̏̕̕͜Ŗ̵̢̹̟̪̲̯̔̈́͋̾̇̂̌͆̈́͊́̽͒̀͑̚S̸̢̢̰̻̩̰̳̫̤̰̥̺̲̘̰̗͎͋͜