Author Question: When stimulated by sunshine, the human body produces __________ in conjunction with calcium. Fill ... (Read 57 times)

jazziefee · **on:** Aug 11, 2018

When stimulated by sunshine, the human body produces __________ in conjunction with calcium.

Fill in the blank(s) with correct word

Question 2

The mode of distribution called reciprocity refers to the exchange of goods and services:

a. between people in hierarchical relationships
b. for the purpose of maintaining social relationships and gaining prestige.
c. to make a profit.
d. to embarrass the person who gave the least.
e. of unequal value.