Which of the following is a cause of urbanization?
a-suburban homes became larger than urban homes.
b-paving over land changed the environment.
c-living in cities became more expensive than living in rural areas.
d-agricultural production became more efficient.

B. paving over land changed the environment was not the correct answer per a previous response to this question but they never put the correct answer.

Explanation:

I just answered this question in A.P.E.X. and I did not select option B. I chose D. agricultural production became more efficient. This was correct. So the answer is D for A.P.E.X.

the answer is d. embryo