Overcrowding and slums developed in many impoverished countries in the 20th century, mostly due to large migrations to cities from people looking for work.
Explanation:
An igneous rock with a mixed texture of coarse crystals (phenocrysts) surrounded by fine crystals (groundmass) is termed <em><u>porphyritic</u></em>
The answer to the given question above would be CALIFORNIA or CA. It is the state of California that us currently leading in the Parole Revocations having 2/3 of all the parolees who returned to prison. Hope this answers your question. Have a great day!
I'm thinking A. Because uniformitarianism means the theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.