Submitted by examrobotsa on Thu, 01/01/1970 - 05:30 Consider the following with reference to normal human beings 1. Constriction of blood vessels. 2. Digestive spasms. 3. Impairment of night vision. Which of these is/are the effects of long- term exposure to noise pollution ?1 and 2 2 and 31 and 31, 2 and 3stats: 0,576,632,440,72,120,576