How do we know that people existed during the Paleolithic time?

A. Cave paintings that depict stories and narratives of life
during that time
B. Carcasses left in the skeletons of dinosaurs
C. They left books during this time that archaeologists read
and learned from
D. We do not know that people during this time existed

Lia doesn't like her personality psychology class because the instructor uses unannounced pop exams to test the students as a result, lila never knows when she will be tested instructor is testing her on a o foxed-ratio schedule o fxed-interval variable-ratio variable-interval

In a publicly held corporation, - o stockholders rarely trade their stocks o stocks are not usually traded at stock exchanges o a large number of stockholders can buy and sell stock o family members are excluded from holding stock

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron