Question

world historical and predicated pollution​

Answer 1

Answer:

Through the 19th century, water and air pollution and the accumulation of solid wastes were largely problems of congested urban areas. But, with the rapid spread of industrialization and the growth of the human population to unprecedented levels, pollution became a universal problem.

Answer 2

Explanation:

In a class test for every correct answer 3 marks are awarded but for every wrong answer but for every wrong answer, 2 marks. A student answered 14 question correctly. but 30 marks. How many answer wrongly. How do you feel when your friend scores less than you. Do you encourage her / him to study harder.