8. Ang sistema ng pakikipagkalakalan na ginamit ng ating mga ninuno na kung saan ang mga produkto ay ipinapalit sa ibang produkto na dala ng
ibang lahi.
A. Kaingin
B. Barter
C. Pagmimina
D. Pangangayaw
answer me please
correct answers only

4)  a comparison and contrast of these texts shows thata)draper uses an actual historical event to create a character's conflict based on those events.b)to add dramatic conflict, draper makes many changes to the historical account of integration.c)draper chooses the hot and extreme climate of a southern state to highlight the heated conflict of integration.d)draper writes a story that avoids the violence that occurred during the struggles to integrate american schools.5)  based on the texts provided, which statement is accurate? a)fire from the rock  includes the actual life experiences of sylvia patterson.b)the novel creates the fictional group, the little rock nine, to add drama and conflict.c)fire from the rock  shares the real life experiences of one of the little rock nine.d)the novel is a realistic but fictional story based on historical events during a time of