A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
If you were born in 1929 or later, you need to work at least 10 years to become eligible for Social Security. The SSA determines eligibility with a system of credits. Basically, you earn up to four credits for every year worked, and you need a total of 40 credits to qualify for Social Security.
From your U.S. Gov Info/Resources Guide. You can apply for Social Security retirement benefits over the phone or in person. Here's how to apply and what you'll need when you do. Difficulty Level: Average Time Required: 1 hour. Here's How: 1  Call Social Security at toll-free 1-800-772-1213.2  They will make an appointment to take your application over the phone or at your closest Social Security office.ere's how to apply and what you'll need when you do. Difficulty Level: Average Time Required: 1 hour. Here's How: 1  Call Social Security at toll-free 1-800-772-1213. 2  They will make an appointment to take your application over the phone or at your closest Social Security office.