Salmonella typhi [IgM ]:( +ve ) POSITIVE Salmonella typhi [ IgG): (-ve) Negative) can someone tell me what does mean that test?, I did and that is results of my test but i don't know what does mean it!!! ​

The answer is d. worthless

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

Which of these is a benefit of health care access that lowers the risk of chronic disease like skin cancer? a. higher incomeb. better doctorsc. early detectiond. safer environmentif this is your question it is c

The answers is b hope this you