An Unhealthy pH Level. Tooth decay can occur when the pH level in the mouth is 5.5. For reference, the neutral level is 7.0. When we consume acidic foods and drinks, the pH within the mouth decreases and can cause the pH in the dental plaque to fall rapidly below 5.0.
Plastic Golden Age Passports are valid for a lifetime. However, if you do want the new Senior Pass, you may purchase one for $10, with proof of identification (e.g., driver's license, birth certificate, or similar government-issued document).lastic Golden Age Passports are valid for a lifetime. However, if you do want the new Senior Pass, you may purchase one for $10, with proof of identification (e.g., driver's license, birth certificate, or similar government-issued document).
Child US Passport. All passport applicants 16yrs and older are required by the Passport agency to apply for a new adult passport which will be valid for 10 years. Passport applicants under the age of 16yrs would apply with the consent of both parents for a child passport which will be valid for 5 years. Children's passports cannot be renewed as they must be re-issued every 5 years until their 16th birthday.