C. Individual-population-community-ecosystem-biome
Answer:
"This is the reason you are using a special swallowing technique when you eat and drink."
Explanation:
Based on the information provided within the question it can be said that the most appropriate statement by the nurse would be "This is the reason you are using a special swallowing technique when you eat and drink." Mostly because this is a type of cancer that forms in the part of the throat between the base of the tongue and the trachea. Therefore the special swallowing technique is designed in order to place less stress on the affected area and cause more pain.
Explanation:
Positive feedback occurs to increase the change or output: the result of a reaction is amplified to make it occur more quickly. Negative feedback occurs to reduce the change or output: the result of a reaction is reduced to bring the system back to a stable state.
For me I would have to go with C. They always have the same number and kinds of Chromosomes.