Answer: Iris Diaphragm is a device that controls the amount of light that exits the condenser of a microscope. There by controlling the illumination of the specimen and, more relevantly, the degree of contrast between specimen and background.
Answer:
Symptoms
Decreased urine output, although occasionally urine output remains normal.
Fluid retention, causing swelling in your legs, ankles or feet.
Shortness of breath.
Fatigue.
Confusion.
Nausea.
Weakness.
Irregular heartbeat.
Answer:
I agree, They have been doing it..Im so lucky I never dowloaded the file and just reported them.