10 points to first person which of the following is true of carbon carbon is present in all organisms and in the atmosphere carbon moves from consumers to producers carbon must be fixed by bacteria before other organisms can use it carbon can only be released from dead organisms by decomposers

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

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