The most common forms of PDAs are Smartphones, palm PDAs and pocket PCs.
The most common elements, in order, are carbon, hydrogen, oxygen, nitrogen, phosphorous, sulphur.
There are several common rock forming minerals, but the most common single mineral of the crust is quartz.
The most common charge for phosphorus is -3, as it typically forms an anion by gaining three electrons to achieve a stable electron configuration.
The most common element in plant tissues is Carbon. This is why plants and animals are called carbon-based life forms; because we are made predominately out of carbon.
I assume you mean forms of government, in which case it would be monarchy.
The most common forms of peptic ulcer are duodenal and gastric.
In my opinion, Blackberry and Palm make the most functional PDAs
How about an iphone...
The four most common forms of precipitation are;rainsleetsnowand hail
The Palm T
The Sidekick is a very popular brand of PDA.
The most common forms of beauty therapy would be facials. There are a lot of forms of facial beauty therapy. Some of them are massages and some facial masks you put on your face.
nothing at all.....its free!!
games
With the word common, you simply add "more" and "most" and leave "common" the same.
There are no Smartphone PDAs. You either buy a smartphone or a PDA but you can't have both at the same time. Having to choose a smartphone would in most cases be the better choice.
Due to smartphones, PDA's are harder to find these days. There are some places that still sells handheld PDAs. One can most likely find them on websites such as Amazon and eBay.