Which two of the following choices are examples of commons?

A. Personal computers

B. National parks

C. Private homes in a neighborhood

D. Units in an apartment complex

E. Groundwater

How do environmental factors influence genetic traits? a. environmental factors determine all genetic traits. b. environmental factors can determine if a genetic trait becomes a health issue. c. environmental factors are determined by genetic traits. d. environmental factors have no influence on genetic traits. select the best answer from the choices provided

When does dna replication(make a copy of itself)?

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria