Within every cell (except red blood cells) is a control center, or

Describe what is meant by "the tragedy of the commons." Explain through two examples how this concept applies to our current environmental problems, and how we might alleviate the problems caused by this type of social dilemma

What will be an ideal response?

In a matrix for a factorial design, the row means and column means represent the effects of:

a. extraneous factors. b. individual differences. c. an interaction. d. a single factor (variable).