They are all right...and u didn't answer 6 but it is climate
I'll be direct for you. The answer to your question is:
Cloning.
Good luck with your work! Remember to smile.
The cells of the immune system can be categorized as lymphocytes (T-cells, B-cells and NK cells), neutrophils, and monocytes/macrophages. These are all types of white blood cells. The major proteins of the immune system are predominantly signaling proteins (often called cytokines), antibodies, and complement proteins
Answer: A. Eukarya
Explanation: the three domains are the Archaea the Bacteria and the are Eukarya. Prokaryotic organisms belong to either the domain Archaea or the domain bacteria organisms with eukaryotic cells belong to the domain Eukarya.