Tobacco played an important economic role in which of the following middle colonies? Maryland
New York
New Jersey
Pennsylvania

What prevents odyssey from killing the sleeping cyclops

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring