The procedure is a refraction or vision test. The doctor may use a computerized refractor or simply shine a light into your eyes.
<span>1. Density is the mass of a substance divided by its volume. D= m/v
2.
To measure the volume of an irregular object you can fill a container with water and submerge the item. You would then measure the volume of water that was displaced by the obect.
3. D = m/v so m = 10.00 grams and v = 15.625 cm3
D= 10.00 grams/15.625 cm3 = 0.64 g/cm3</span>
Answer:
Sry, I had the same question.
Explanation:
No, it's because we need to breathe. Your body needs oxygen. Air pressure has little to nothing to do with it as far as I know.
