Existing technology can fail or a better technology is invented
There is no single language called 'Celtic': the two main groups are Goidelic (Irish, Scots Gaelic. Manx) and Brythonic (Welsh, Breton, Cornish).
Two areas of technology are transportation and communication.
That is kind of subjective, but I would say physics, biology, math, information technology (IT), chemistry, and engineering.
Modern technology was the main problem
The two main groups of carbohydrates are starch and sugars.
it is two main groups
it is two main groups
Representation and education are the two main functions of interest groups.
The two main groups of Islam are the Shia and Sunni. They divided into these groups after Mohamed died and they could not decide on just one successor.
There are basically ONLY two types of wireless technology: analog and digital. ALL "wireless" technology is radio technology.
poo
y
There are basically ONLY two types of wireless technology: analog and digital. ALL "wireless" technology is radio technology.
The two main groups are Catholic and Protestant. These split into many subcategories, but these are the main two.
Yes
Silicate and nonsilicate.