Social dumping occurs when an exporting country
A. imposes an export tax on domestic businesses that export, to compensate for the opportunity cost to the domestic market.
B. creates unfair competition based on lower costs because the exporting country provides little social support system to the worker.
C. targets markets that consist of specific vulnerable groups in the importing country.
D. exports good that are not sellable in the domestic environment due to hazards and safety
issues.

The correct answer is : B

Explanation:

Social dumping is a practice of using cheaper labor. In a country where many people migrate this workforce becomes available.  Then companies get a lot of profits and at the same time they save money. They are not obligated to give a social support system. This phenomenon affects the industries and the work environment.

can you explain it better

the earth’s crust is broken into separate pieces called tectonic plates (fig. 7.14). recall that the crust is the solid, rocky, outer shell of the planet. it is composed of two distinctly different types of material: the less-dense continental crust and the more-dense oceanic crust. both types of crust rest atop solid, upper mantle material. the upper mantle, in turn, floats on a denser layer of lower mantle that is much like thick molten tar.

each tectonic plate is free-floating and can move independently. earthquakes and volcanoes are the direct result of the movement of tectonic plates at fault lines. the term fault is used to describe the boundary between tectonic plates. most of the earthquakes and volcanoes around the pacific ocean basin—a pattern known as the “ring of fire”—are due to the movement of tectonic plates in this region. other observable results of short-term plate movement include the gradual widening of the great rift lakes in eastern africa and the rising of the himalayan mountain range. the motion of plates can be described in four general patterns:

collision: when two continental plates are shoved together

subduction: when one plate plunges beneath another (fig. 7.15)

spreading: when two plates are pushed apart (fig. 7.15)

transform faulting: when two plates slide past each other (fig. 7.15)