Which of the following observations would indicate that runoff from terrestrial environments is reaching the ocean? Select one:
a. Decrease in toxic chemicals
b. Increase in primary consumers
c. Lower levels of carbon dioxide
d. Accelerated growth of algae

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.