Which russian resources are supplied heavily to other countries in eastern europe? a. tin and rubber

b. oil and natural gas

c. diamonds and bauxite

Which of the following was discovered in the piedmont region of north carolina in 1799?

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?