This is correct. Smog is the pollutant that exhales from the car and is monitored by mechanics. If it does not pass the smog check you will not be able to drive it.
True
The diaphragm is a part of the respiratory system and it's located in the upper abdomen
The answer is Biotechnology. It is a broad discipline where biological process as well as organisms, cellular components are accomplish in order to have new technologies. This then would involve advance Xray machines like HRCT. Hope this would be of big help.
Any cold medicine that cures sore throat or suck a mint