Questions

Again, before you apply for a job to a call center you should be aware that most of the call centers cater to English speaking customers and this needs you to speak clear English without any grammatical mistakes. 

A small organic molecule (sugars or amino acids), several of which may be bonded together to form a chain called a polymer.

Today, Tomorrow, Tuesday and Thursday.

High frequency sound attacks the tympanic memberance and makes it defective. 120 decibels is too high a pitch to be heard and therefore it impairs the hearing ability.

The hormone adrenaline also called epinephrine is known as a stress hormone. In emotional upsets( like fear, anger etc.) this hormone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.