The ural and caucasus mountains form part of the natural boundary between europe and asia. a. true b. false

Which of the following is true about fossils? a. the relative age of fossils cannot be determined from their position in sedimentary layers. b. fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. d. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

The tea bush grows best in east asia’s zones. a) arid and semi-arid. b) arid and tropical .c) tropical and subtropical. d) humid continental and subtropical.

The formation of the planet uranus is estimated to have occurred approximately when?