E) be more susceptible to disease and famine
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-Payshence
Answer:
True
Explanation:
In phase-contrast objective and a phase contrast optical systems is equipped with Light microscope .
Phase contrast microscope is used to differentiate unstained structures in a cell that differ in refractive indices and thickness. Thus it is usefull for examining living unstained organisms.
Light that passed through materials of different refractive index and/or thickness will undergo a change in Phase. The difference in phase or wave front irregularities cause variation in brightness of the structures.
Hoping this might help!!!
Answer;
- 40% ; 20%
Obese workers spend nearly 40% more on health care than normal weight adults, adds about 20 percent to healthcare spending.
Explanation;
-Obesity is one of the biggest drivers of preventable chronic diseases and healthcare costs in the United States. Obese adults spend 42 percent more on direct healthcare costs than adults who are a healthy weight.
-Costs for patients presenting at emergency rooms with chest pains are 41 percent higher for severely obese patients, 28 percent higher for obese patients and 22 percent higher for overweight patients than for healthy- weight patients.
Selective pressures created by environmental factors can lead to success of <span>mutual individuals. So it is D</span>
