If you already knew that the infectious agent was either bacterial or viral, which treatment would allow you to distinguish between these two possibilities?
a) i
b) ii
c) iii
d) iv
e) either ii or iv

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Why are some people more concerned about shark survival than about shark attacks?

Clara wrote the following hypothesis for an experiment about acidophilic bacteria. bacteria cells will stop dividing in a basic (alkaline) environment because of the high ph. which statement is the best way to restate the hypothesis so that it is more specific? growing acidophilic bacteria in some environments will cause the cells to stop dividing because of ph. if the ph of their environment is changed, acidophilic bacterial cell division will be affected. if the environment of acidophilic bacterial cells becomes alkaline, the bacteria will stop dividing. the more alkaline an environment, the less cell division will occur in bacteria.