Does magma contain only three elements

3. lithuania, latvia, and estonia all a.)signed a peace treaty with germany in 1996 b.)signed a pact with russia in 1996 c.)were admitted to the european union in 2004 d.)were damaged by the chernobyl explosion in 1986

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b.trade barrier c.trade inhibitor d. domestic protection act

What is the thickest layer of earth called?