Which of these is true about the Olmec writing system? A.
It has been found mostly in scrolls and books.
B.
It used characters similar to those used by the Inca.
C.
It used a system of hieroglyphic symbols.
D.
It is the oldest writing system in the world.

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

Select the correct answer. in what type of immunity will the defenses be triggered and react in the same manner, regardless of the organism invading? a. adaptive b. innate c. primary d. mechanical barrier

Did north or south korea forces advance further into the other’s territory?