If you were to make a trip somewhere in the world, where would you find the richest historical evidences of early travel? a. mediterranean area b. india c. middle east d. north america e. south america

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.

What is drought? what problem can cause?

What is the famous rainforest in costa rica called?