I think the 4 major types of vectors are plasmids, viral vectors, cosmids, and artificial chromosomes. The most commonly used vectors are plasmids.
Hope this helps! ;0
2.Uniformitarianism is events and catastrophism is changes. 3.relative dating is the age of rocks and geologic features compared with other rocks and features nearby and absolute age is to mean the numerical age. 4. The decay is the process by which an unstable element naturally changes into another element that is stable and dating is one important radioactive isotope used for dating. 5. Superposition is rock layers at the bottom and crosscutting relationship is a rock layer going though another rock layer
Ligament is a fibrous connective tissue which joins the bone to bone. It helps to keep the skeletal system in structure and provide stability to the skeletal system.
The answer you chose is right
