The sun's radiation into the human body is blocked by _______________ .
Fill in the blank(s) with correct word
Question 2
Among the Ju/'hoansi:
a. children are expected to contribute to subsistence from the time they reach puberty (around 14 or 15).
b. elderly people past the age of 60 are expected to contribute hunted or gathered food to the group, as they arebeing taken care of by others now.
c. elderly people are a valuable source of knowledge and wisdom about hunting and gathering and are consultedregularly.
d. elderly people are taken care of grudgingly because after the age of 60 they contribute nothing to the group.
e. children are expected to set up their own separate households by the time they are 16.