The 
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
Answer:
the answer is D. Examples of representative government designed by Britain for it's colonies
distance each planet is from one another
distance of lightyear(lightspeed) per minute or hour
I think the answer is B because it says it in the passage on PLATO
Self-reinforcement can potentially minimize stress by__________.a.removing people from stressors. LITERALLY
