Because lung transplants can easily fail and most of the time lungs are so vulnerable to infection.
Answer: I think it is variation
Explanation:
For measuring the temperature of a classroom, the best instrument that one can use is the THERMOMETER. The correct option is D.
Thermometer is the instrument that is specifically designed for the measurement of temperature and there are different types of thermometers for measuring different types of temperature.
Note that, barometer is used for measuring atmospheric pressure, sphygmomanometer is used for measuring blood pressure and atmosphotometer does not exist.
A white object<span> reflects </span>all<span> the wavelengths of visible </span>light<span> and </span>appears<span> white.</span>