Hi !
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<em>Eat a diet that is low in saturated fats, cholesterol and sodium.</em>
<em>Do 30 minutes of daily exercise that increases your heart rate.</em>
<em>If you smoke, stop.</em>
<em> Keep your blood pressure and cholesterol at normal levels.</em>
<em>Keep your stress levels in check.</em>
Answer: cellulose gives cell walls of plants their rigid structure
I think the answer is C. emulsification.
