-The Figure Shows the Results of a Toxicology Study Done

Multiple Choice

-The figure shows the results of a toxicology study done on mice.Which of the following is a valid explanation for the results for an intermediate dose?

A) Animal tests do not replicate actual environments where people may be simultaneously exposed to multiple chemicals that may interact with one another.
B) Some of the mice are given a greater dose of the substance than is given to other mice.
C) Age and genetic differences may have resulted in mice having different responses to the dose.
D) The intermediate dose was sufficiently toxic to kill all of the mice.