A wise mother will give both her three-year-old and her four-year-old children identically shaped glasses of juice to avoid conflict over who has the most. Mother is showing her awareness of what limitation in her children's thinking skills?

conservation

Explanation:

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.