<span>When the child thinks that after arranging two rows of pennies and then s/he conclude that it is longer than the top row, the child is in preoperational Piaget's stage. This stage also demonstrate that the cognitive development is defined by its egocentric thought, the ability of a person to see things in a different perspective.</span>
<span>An RFID reader is also called an interrogator. RFID is an acronym for Radio Frequency IDentification. The interrogator is a radio transceiver that passes a signal to an RFID tag using radio waves, and detects the tag's response signal to determine whether the tag is present.</span>
Answer: In Alaska, the Americans foresaw a potential for gold, fur and fisheries, as well as more trade with China and Japan. Mar 29, 2017
Explanation:
A group<span> of finance ministers and central bank governors from 19 of the world's largest economies, and the European Union. The G-</span>20<span> was formed in 1999 as a forum for member nations to discuss key issues related to the global economy. Hoped this helps!!!(:</span>