A. Sensorimotor stage because the sense develops(I believe). I hope I helped! (:
That's survival 101. If you lived near streams you were guaranteed water. Also near streams the soil was rich was a key factor of agriculture. This was a key factor of life. If you look in todays world, most of the world population is found near bodies of water. Hope I helped. :)
The most popular system is run on smartphones and it is android.
Answer: Increasing urbanization is the result of migration from villages, as well as natural increase, leading to the expansion of small towns which have been reclassified as cities. ... About half of China's population now lives in cities.
Explanation:
