helium
Yes, you have to be over 18 years of age to hold a balloon
It is not possible to determine the lightest person alive as weight can change frequently and is a private and sensitive matter for individuals.
In competition:Men's heaviest - 16lbs, lightest - 4kgWomen's heaviest - 4kg, lightest - 3kgWeight depends on age and competition, but that is the general weights.
years-since-birth
There is no definite answer for when you are old enough to bowl. The youngest I have seen bowling are three or four years old. The lightest balls that some bowling alleys have are six pounds, but the standard lightest balls are 8 pounds. A three year old should be able to lift this, but they are only good for a game or maybe two.
20 years later
You can purchase birthday balloons (plain or with graphics) at your local Party City. Party City has lots of different choices that will suit whatever age demographic you are buying it for.
absolute dating
No. You must be at least 16 to have student license.Minimum age requirements for the various airman certificates (i.e., pilot license certificates) are defined in 14 CFR part 61, Certification: Pilots and Flight Instructors, and Ground Inspectors as follows:Airline transport pilot (ATP) certificate: 23 yearsCommercial pilot certificate: 18 yearsPrivate pilot certificate: powered aircraft - 17 years;Private pilot certificate: gliders and balloons - 16 years;Student pilot certificate: powered aircraft - 16 years;Student pilot certificate: gliders and balloons - 14 years
There is no isotope of Uranium 206 - Uranium 217 is the lightest.
2.3million years ago
A ponokyo