Answer;
Environmental racism
Environmental racism is when industries and waste dumps are located near areas where racial minorities reside.
Explanation;
It refers to subjecting the socially marginalized racial minority communities to disproportionate exposure of pollutants, the denial of access to sources of ecological benefits such as water, clean air, and natural resources.
Answer:
A class system is a more smooth system, caste is more of a system that changes consistently.
Explanation:
"Class system is typically more fluid than the caste system or the other types of stratification and the boundaries between classes are never clear-cut. Caste system is static whereas the class system is dynamic. ... In the caste system, individual mobility from one caste to another is impossible."
Electrical energy is energy derived from electric potential energy or kinetic energy. So D would be the best answer