Answer:
D. Factories and their corresponding jobs were located in cities and created economic opportunities for migrants
Explanation:
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population
Much pollution fills the air because of train s which let off steam that contains chemicals.
Answer:
The Himalayan mountain chain is of worldwide ecological significance, Himalayas, you should value the mountains and its staggering natural habitat. near main travel routes have been greatly affected by mass tourism. to think about the environment, do whatever you can to keep it safe by recycling.
Explanation:
