Which of the following materials is the heaviest?
a. aluminum (density 2.7 g/cm3)
b. copper (density 8.9 g/cm3)
c. gold (density 19.3 g/cm3)
d. lead (density 11.4 g/cm3)

Lead I believe would be the heaviest because gold is relatively light

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.

1. aspect is nothing really because the answer is right in front of your face