Polygraphs are designed to measure the changes in breathing, cardiovascular activity, and perspiration that are thought to accompany specific emotions. Which theory of emotion best supports this assumption?

Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Classify the structures as homologous or analogous, depending on their structure and function.