How has climate changed over time

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

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