One of the most common methods to date volcanic rocks uses potassium radioactive parent and argon stable daughter).
The northwest culture area, for example shared common traits such as salmon fishing, woodworking, large villages or towns and a hierarchical social structure.
Though cultural features, language, clothing, and customs vary enormously from one tribe to another, there are certain elements which are encountered frequently and shared by many tribes.
Anthony garcia
I found on google :)
Regardless of the topics of interest, there are one or more <u>newsgroups </u>, where people gather to meet, offer support, and exchange ideas.
Newsgroups or discussion groups are used to share messages and data. People can publish messages in these groups that are visible to the whole public and that are then circulated throughout various Internet news servers. Usenet, one of the first computer networks, was founded in 1980 and is still in use today.
A newsgroup where people help one another with computer issues is called a "computer aid" group. COLA is another instance, where information about Linux is announced.
Millions of people now utilise USENET, which has hundreds of discussion groups (known as newsgroups)gather to meet and host on specialised Internet servers. Using a piece of software called a newsreader, users read and create postings, or articles.
To learn more about Newsgroups, refer
brainly.com/question/8582568
#SPJ4