Explain why European countries looked to reach the Americas Columbus' voyage.

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.

Which of the following is defined as combinations of soil particles that vary in size and shape?

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )