The most common item collected varies by context, but in general, stamps are one of the most widely collected items worldwide. Stamp collecting, also known as philately, appeals to people of all ages and backgrounds due to the variety of designs, historical significance, and the potential for investment. Other popular collectibles include coins, trading cards, and Action Figures. The appeal lies in the thrill of the hunt and the joy of ownership.
The obvious answer is gasoline, which is actually an impure mixture of several hydrocarbons collected from the distillation of crude oil in refineries.
The most common type of specimen collected for a blood chemistry test performed at an outside lab is serum. This is typically obtained by drawing blood into a tube without anticoagulants, allowing the blood to clot. After centrifugation, the liquid portion, or serum, is separated for analysis, which includes tests like glucose, electrolytes, and liver enzymes.
A common household item made of sticks of limestone or gypsum is a chalk stick used for writing on chalkboards.
I^- is the most common ion of Iodine.
The most Expensive Item I have heard about is called the "Legndary Foe Cannibal". It can be sold for almost 13 million dollors!
Records are the third most collected items in the world. The first two most collected items in the world are stamps and coins.
I would guess that coins are one of the most collected items.
peanuts
The obvious answer is gasoline, which is actually an impure mixture of several hydrocarbons collected from the distillation of crude oil in refineries.
The most common item listed in that category on eBay fluxes often and it's rather hard to discern but one of the most popular item happen to be GE oven parts.
enzymes
The most common item is a computer.
A Notebook
Modern Gun
The US Flag is the most common item.
rice is the most common item produced................
There are a few statistics that show "Money" is the worlds most stolen item, more than likely because it is the one thing that every country has in common.