The change in hair color occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment. The stem cells at the base of hair follicles produce melanocytes, the cells that produce and store pigment in hair and skin. The death of the melanocyte stem cells causes the onset of graying.
The revenue cycle is a recurring set of business activities and related information processing operations associated with providing goods and services to customers and collecting their cash payments.The primary external exchange of information is with customers.he revenue cycle is a recurring set of business activities and related information processing operations associated with providing goods and services to customers and collecting their cash payments.
Report Abuse. Unearned revenue is a balance sheet account which does not get closed with your closing entries. It will be adjusted from the unearned revenue to the revenue account as it is earned. So it will remain on your closing trial balance.Hope this helps.or example at the beginning of the period you have $1000 of unearned revenue. But then at the end of period the balance for the account of unearned revenue is $400, that means you have to adjust it by $600 :) So sum that all up, unearned rev is not closed, but adjusted. Source(s): Just Me Â· 9 years ago. Thumbs up.