Consider the two tide cycles seen here. we have drawn a red line from the crest of high tide to the trough of low tide. what does this red line represent? a) a lunar day b) flood and ebb c) the tidal range d) the tidal current

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.

Differentiation of cells changes the nucleic information. true false

Are the layers of rock above and below the coal older or younger?