Which regions of the World were connected by the Silk Road trade routes?

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

What is the thickest layer of earth called?

Which of the following countries was not an ally to the u.s.s.r. during the cold war? west germany poland romania cuba