The answer is b. puberty :)
The answer would be A, they collect soil samples.
I think it's one third, but I'm not entirely sure.
Hope I helped to some extent!
Answer:
how often Rita goes to cinema?
The preoperational arrange is the second stage in Piaget's hypothesis of intellectual improvement. This stage starts around age 2, as kids begin to talk, and keeps going until roughly age 7. Amid this stage, youngsters start to take part in emblematic play and figure out how to control images.
