From one trophic level to the next, only_(a) % of the energy is transferred. The other (b)___% is used by the organisms getting consumed during its life processes.
A. (a) 25, (b) 75
B. (a) 10, (b) 90
C. (a) 75, (b) 25
D. (a) 90, (b) 10

Explain the significance of thesaurus geographicus

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 statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.