B contact, air and droplet
Answer:
Slightly movable joints permit some movement but provide less stability than immovable joints. These joints can be structurally classified as cartilaginous joints, as bones are connected by cartilage at the joints. Cartilage is a tough, elastic connective tissue that helps to reduce friction between bones.
Answer:
Upper respiratory infection
Respiratory disease
Sinusitis
Answer:
sanitizing
Explanation:
or washing of hands before any thing it should be a habit