Carnivore.
carnivores eat meat
Answer:
Provide a smooth surface at the ends of synovial joints
Explanation:
Cartilage is the smooth elastic tissue that covers and protects the ends of the long bones. This structural component is present in nose and ear. Different types of cartilage are hyaline cartilage, articular cartilage and so on.
Articular cartilage may be defined as a type of hyaline cartilage that are present on the articular surfaces of the long bones. Articular cartilage is present in close association of menisci. This cartilage provides the smooth surface to the synovial joints and bathed in the synovial fluid.
I think it's CARBON DIOXIDE
I am not sure.
Answer: Double blind clinical trial
Explanation:
The situation that is seen here is double blind clinical trail in which neither the participant nor the practitioner knows who is receiving the treatment.
This is used to prevent biasing in the experiment which is caused due to demand characteristics or placebo effect.
Here, in this situation the dog handlers and the experimental observer both were blinded to identify the breath sample.