List and describe 3 ways that humans can disturb and destroy valuable topsoil

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

Explain how scientists use geologic time to determine the age of landforms.