How do variations in climate affect agricultural production in the midwest

What is an example of a line segment

What is the amount of organic matter in all living organisms in a habitat called?

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