What is the maximum number of hours that good can be held in the danger zone?

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Diffusion and osmosis are forms of passive transport

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an