In many melanesian societies, carved birds are shown with humans as symbols of

The correct answer is PROTECTION. Unlike other animals represented in the carvings, such as sharks or lizards, which are considered evil beings, birds are considered benign ancestral ghosts, and by placing or showing them with humans they protect and guard them.      

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;

the answer is:

c. economic output