Question

which of the following helps kill off cancer cells? chemotherapy neuron therapy laser therapy

Explanation:

Chemotherapy is a treatment that uses drugs to destroy cancer cells by stopping their growth and division. Neuron therapy is not a recognized treatment for killing cancer cells (and may be a misnomer), and laser therapy is more commonly used for procedures like removing tumors or treating surface - level cancers in a different way, but chemotherapy is the primary treatment aimed at killing cancer cells systemically.

Answer:

chemotherapy