Weather maps contain several standard symbols to convey information about the weather. Explain how to interpret three of those symbols.

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

What was apartheid and how did it restrict the rights of non-whites?

Which planets are likely to have the strongest gravitational fields?