Which of the following is an example of an inorganic substance? O Gasoline
O Minerals
O Plastics
O Pesticides

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Name the part of the the brain labeled "e".

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.