Choose when quenching occurs in a chemilluminescence

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

What is it called when lava when it erupts from the surface through volcanoes.