Which of the following statement/statements are true with respect to the Push Factor of migration ?
(a) These factors attract the people from rural areas to cities. (better opportunities, availability of regular work and relatively higher wages)
(b) These factors cause people to leave their place of residence or origin. (high population pressure on the land, lack of basic infrastructural facilities like health care, education, etc)

Only (b)

Push factor- these cause people to leave their place of residence or origin; and pull factors, which attract the people from different places.