[Solved] Which of the following concerning the use of facial electromyography (EMG)to assess attitudes is true? A)Facial EMG can detect muscular changes not observable to the naked eye. B)Facial EMG does not provide information about the direction of attitudes. C)One problem with using facial EMG is that the same pattern of activity could be interpreted as happiness or sadness. D)Facial EMG is only an accurate measure of attitudes if people know their attitudes are being assessed,so it is susceptible social desirability biases. Producers: Organisms, typically plants and algae, that produce organic compounds from simple substances like carbon dioxide, essentially supporting most food chains. Consumers: Organisms that obtain their energy and nutrients by eating other organisms, cannot produce food themselves and are part of the food chain. Ecosystem: A biological community interacting with its environment. Energy Flow: The passage of energy through the components of an ecosystem, from the sun through producers to consumers and then to decomposers.