The correct answer is B :)
The temperature must be between 0 degrees Celsius and 5 degrees Celsius. The is avoids the danger zone, the zone of temperature where food is at risk of food poisoning.
Many things can cause shortness of breath, but the most common are asthma, pneumonia, bronchitis, lung cancer, anxiety, an allergic reaction, a lung injury, obesity, heart dysfunction, COPD and many many more things.
As for treating this, see your physician. Hope I helped you!
Colchicine is a poison for embryo, it interfere with the separation of chromosome during the cell division
The cancer researchers see this as a potential that can be use to stop cancer growth (which made our cell multiplying at uncontrollable rate)
hope this helps