Is this a thesis statement?%0D%0APeople should demand more fresh fruits and vegetables in grocery stores because fresh produce makes people healthier, more physically fit, and less dependent on processed foods.

Yes, the statement "People should demand more fresh fruits and vegetables in grocery stores because fresh produce makes people healthier, more physically fit, and less dependent on processed foods" can be considered a thesis statement. It presents an argument and tells the reader what the essay or paper will be about.