The answer is A cuz a food chain starts with solar energy
I’m going for real I haven’t done this because it was hard didn’t get it but now I know // ANSWER -
The answer is , because one cell divides to form two identical cells.
The answer would be B. nucleic acids.
Blood types A and B are similar to each other because they both have antigen on red cells.
Blood type AB has both A and B antigens on red cells.
Hope this helped! :)