The large, flat bone extending from the middle of the back upward to the joint where it attaches to the clavicle is called the scapula.
Clavicle is the collar bone. It is a long and thin bone with slight curve that works to connect the arms to the body. It is a part of the shoulder. It allows free movement of the shoulder. The clavicle is attached with the sternum through the sternoclavicular joint.
Scapula is a triangular-shaped bone. it is present at the upper back portion. It us surrounded by various muscles that allow the free movement of the shoulder. The types of motion, scapula helps in are: protraction, retraction, elevation, depression, upward rotation, and downward rotation.
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Answer:
The correct answer is - Trains can have inconvenient schedules, but produce less pollution than cars do.
Explanation:
Trains are expensive to build and also required land for making routes and stations and platforms for passengers but that can be reimbursed by fare in a longer time period.
Trains also produce pollution but in comparison to cars these are way less contribute to the pollution, However, these are not convenient as they start and reach at a specific time and also sometimes not comfortable like cars.
B, proton is positive and it does not represent the symbol