Answer:
all 20
Explanation:
It is impossible to know how many individuals will have the disease at the end without knowing other factors such as the condition where the subjects are being held, trial specifications and safety measures, etc. Based on the information provided, the best prediction that can be made is that all 20 subjects will have the disease. This is because since none of them are immune the disease will spread between the patients/subjects through contact or testing equipment.
It is c your answer for your questions
Throwing waste in to water, or spilling anything in the water that's not supposed to be in the water
i believe a stem cell is the only type of cell that can grow into any cell. meaning it can go anywhere it may be needed.