C. Pulley, is the correct answer
It protects the coast from the raw ocean, it cuts waves off, and depending on how big the island is, could stop a tsunami
Socialization is both a lifelong task and a responsibility of an individual to the society. During the entire course of a lifespan, the individual has to learn the skills and habits needed to live and function within his society. It includes adapting and influencing norms, customs, traditions and ideologies.
Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
