Answer:
pollution of water. or do you mean pollutant in which case would be like garbage or oil spills
I don't know what the expieraments about but I can say its rather B or C the independent variable is the variable that you are testing.
Acquired mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division. Hope this helps ;)
Answer:
Choice A because a lipid is chain shaped and the monomer is fatty acids
