Which of the following is the  bestdefinition of punishment?                 a.  an act done as the consequence of a behavior      b.  an effective way to teach self-control      c.  an ineffective way to reduce or change behaviors in the long term      d.  another word for goal

Creating new things to solve problems and improve life depends on the close interaction of which two fields?

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .