Yes.
No. Tuff may have depositional layers, but this is not the same as foliation, which is a charactersitic of metamorphic rock.
Tuff forms by layers of volcanic debris being put under pressure and coming together. Sometimes other materials get into the mix and form other kinds of tuff.
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
Yes. A welded tuff may form from pyroclastic flow deposits near the volcano with cemented tuff farther away or resulting from a different eruption.
Yes.
TUff can be used for construction. it dependes what tuff it is. there are many out there i.e. volcanic ash\ go on wikipedia.org and seach tuff
Tough is the same as rough; tuff means cool (ex:a tuff looking Mustang or a tuff record)
"Tuff" in Spanish is "toba"
Tuff Enuff was created in 1985.
Tuff Gong was created in 1970.
Tuff Crew was created in 1985.
Tuff Shed was created in 1981.
Tuff TV was created in 2009.
Tuff Love was created in 2008.
Tuff Monks ended in 1982.
Tuff Monks was created in 1982.