What does the term iron curtain refer to?
a. the stark contrast between the nations with nuclear weapons and those without them
b. the strict division between the social classes in post-colonial britain
c. the political separation of western and eastern europe
d. the scope of protection that britain provided to the british colonies

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

according to the map, most industrialization in europe occurred in the northwest.

the production of coal and lignite deposits was profitable throughout western europe.

the building of railroads transport goods throughout europe.

according to the map, the population trend indicates that more people are moving into cities.

northwest

coal and lignite depostis

railroads

cities