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.
The answer should be
<u>4. Your diet should include more of some food groups than others.</u>
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Correct answer choice is :
<h2>C) Steam mops and water filters</h2><h2 /><h2>Explanation:</h2><h2 />
A steam mop is a mop that uses steam to clean carpets and rugs. Unlike a regular mop, which needs cleaning tools such as bleach or detergent, a steam mop utilizes heat from steam to sanitize the floors. A water filter produces clean, healthy water for cooking, as well as drinking, at the luxury of tap water. Water filters decrease the hazard of gastrointestinal infection by more than 33 percent by killing cryptosporidium and giardia from drinking water.