A. Computers have become smaller and more efficient.
<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>
While epidemic disease was a leading factor of the population decline of the American indigenous peoples after 1492, there were other contributing factors, all of them related to European contact and colonization. One of these factors was warfare.
The answer for your question is one that's "A)"
