Plessy v Ferguson was a landmark case and was a United States Supreme Court decision to uphold the laws that kept segregation, under the phrase "separate but equal". This regarded public facilities for the most part including buses, bathrooms and water fountains. This was brought from the Committee of Citizens in New Orleans, so this was applied across the board in Louisiana.
Disrupt means, to interrupt by causing a disturbance or problem.
The coolest layer is the crust. The crust is on the surface of the earth (where we are) . Inner Core
True; with improvements in technology/manufacturing, acid rain became a major problem
