They must try to keep away from cooking jobs in case they spread the disease and they must wash their hands to help keep away the chances of distributing bacteria must also go to the doctor a lot in order to stay updated on there disease. look at typhoid. typhoid Mary had it and transferred it to over 40 people of whom lots died
B) Binge drinking can make you sick is a scientific fact about substance abuse. The other choices would not be the answer because prescription drugs are dangerous, you cant really stop anytime you want you would need help, and smoking does not make you seem mature it just slowly damages your lungs.
Hope this Helps!!
An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem.
Ambiguous stressors are more problematic because a) fewer clear-cut solutions exist be and c) the individual never knows what to expect.