Sydney is in Piaget's<u> "concrete operational" </u>stage of development.
As the name suggests, the concrete operational stage of development can be characterized as the phase of cognitive development in which a child is equipped for playing out an assortment of mental activities and considerations utilizing solid ideas. All the more particularly, kids can comprehend that in light of the fact that a question changes shape or is isolated into pieces, the protest still holds certain critical attributes, for example, mass or volume.
It pollutes the air and can get people killed by cave in's.
<span>Had the Himalayas not existed, the culture and history of China and India would be quite different mainly due to the difference in climate that would have occurred. India would not be plagued with monsoon season, which is a large part of the history and development and current culture of India. Without the Himalayas, China would be a much more arid climate, making it much less suitable for a civilization to have thrived in that location.</span>
Horses, Cows, and Pigs.
Maize and Potatoes