What is it called when seiemic wave benes as it passes from liquid to soild rock?

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.

Less developed nations have low literacy rates. true or false