C. because there is a property of acids which stat that they turn litmus papers red instead of blue.
This qualifying core is an area with a population density of at least 1,000 people per square mile that contains at least 50 percent of Page 8 12-8 Urban and Rural Classifications the place's total population and is contiguous with other qualifying urbanized territory that also meets the population density criterion.
The DNA has to code for a protein and it has to replicate
Color, smell/ odor, taste
