<span>A study of
7578 adults in seven nations found that physical separation did not necessarily
weaken family ties. In particular, contacts that do not necessitate face to
face interaction increased, reliable with the diffusion of cell phones and
internet use over the period. Even though theorizing points to demographic
developments as driving trends in inter-generational family relationships are
widely debated. </span>
C. The 5 of May. Because each and every day they celebrate the battle of Puebla
Answer:
Half duplex
Explanation:
The half duplex is a device which allows the communication from only one side and the other person can only hear at a time. The example is radio. The person speaks from the one side can only speak and on the other the person can only hear. In a full duplex both parties convey their messages to each other. The example includes cellphones, telephones, wireless phones, etc.