Answer:mental life; observable behavior
Explanation: Mental life has a lot to do with how psychologists focus more on the physiological research in the 1920s and 1960s, but as times goes by, they emphasize more on observable behavior. Because both mental life and observable behavior work together for a good psychological result.
Technically any of these. Are there any other details or specifics. I'd assume participating in sports because a diet only helps stress levels in the long term, watching television can relax a person but the other factors such as lack of social activity can contribute to a person's overall mental state and therefore increase stress levels, and studying can actually be relieving for some people depending on the mental state and needs of them but can obviously be a stresser. The only downfall to participating in sports is getting to excited or emotional during a game for example. But overall, C is the best choice.
Answer:
True
Explanation:
Having an shoe that does not match the exercise will only serve to hinder you. Imagine doing ballet in heels, soccer in ballet shoes, swimming with boots, etc. Having adequate shoes/equipment can give you a competitive advantage and can help you improve your personal records.
There actually is some starting to show in the media :)
