China has used hong kong as
an ally in the struggle against taiwan
a tourist destination
an exchange point for trade with the west
a special economic zone

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

Match the mountains with the type of collision that formed them. a. andes b. aleutians c. north american cordillera d. appalachians 1. continental- continental 2. continental- oceanic 3. oceanic- oceanic 4. arc- continent

Which mountain range separates georgia from russia? a. ural mountains b. carpathian mountains c. caucasus mountains d. siberia mountains