They are transmitted through having sex
Answer:
Extinction
Explanation:
Extinction is defined as the weakening and in some cases, a total disappearance of a response that is learned. In classical conditioning, extinction occurs when the conditioned stimulus is no longer connected or paired with the unconditioned stimulus. This results to the conditioned response to cease.
The use of Antibiotics, as Virus's are not affected by them.
Answer: Vertebrae
Explanation: Your back is composed of twenty-four individual bones called vertebrae that are stacked one on top of the other to make up your backbone or spinal column. The entire column sits on the sacrum, a large triangular bone that connects the spine to the hips. The top seven vertebrae in the neck are called the cervical spine.