Act up, we gon' mask up, boy, I dare you

What happens to rock when acid reacts with it?

Religious conflict in northern ireland started with a) cultural differences resulting from viking invasions around 800 b) england’s split from the catholic church in the 1500s c) rebellions in ireland between 1916 and 1921 d) the norman invasion of england in 1066

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas