Answer:
Plants are classified within the domain Eukaryota. Two major groups of plants are green algae and embryophytes (land plants).
I believe it D because they have to have data , they also guess and really they also have opinions
Carbon is released as carbon dioxide during respiration.
I honestly have no clue sorry
Anaphylaxis is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you're allergic to, such as peanuts or bee stings.