It think it’s c acids remove nutrients
The right answer for the question that is being asked and shown above is that: "a.Cyanobacteria are photoautotrophs." The atmosphere that we depend on for our survival is enriched by numerous cyanobacteria. This fact justifies the characteristic of cyanobacteria that is Cyanobacteria are photoautotrophs.
Answer:
Many species of worms reproduce asexually, this process called fragmentation. Iincluding California black worms, or mudworms. These worms are hermaphroditic -- they catry both female and male genitalia and other reproductive parts, and can produce sexually. Hhowever, tthese worms frequently reproduce using fragmentation, for faster reproduction rates, etc.