Choose all that apply. which of the following are push factors in migration
1. a higher paying job
2. political persecution
3. better educational opportunities
4. poor economic conditions

Evidently Poor economic conditions are big negative factors in migration which are bad for birds causing pollution throughout the air so that is one of the options.Next A. would be correct because with more higher paying jobs people would make sure they do their best in which participating in their jobs.

Hope this helps!

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.

the anwser is missions