Before viruses can reproduce, they must

a. replicate the contents of their nucleus. b. undergo binary fission. c. infect a host cell. d. initiate the cell cycle.

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

In the water cycle , when does water undergo a chemical change

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation