Respuesta :
Answer:
B. The prefixes chemo- and photo-: define the electron source
Explanation:
The prefix chemo is related to chemical/drug and photo is related to light. This can be proved by analysing the following examples:
Chemotherapy = therapy with chemicals
Phototherapy = therapy with light
B. The prefixes chemo- and photo-: define the electron source
The prefix chemo is related to chemical/drug and photo is related to light.
Chemotherapy:
Chemotherapy is the use of chemical substances to treat disease. In its modern-day use, it refers primarily to cytotoxic drugs used to treat cancer.
Phototherapy:
Phototherapy involves shining fluorescent light from the bili lights on bare skin. A specific wavelength of light can break down bilirubin into a form that the body can get rid of through the urine and stools.
Thus, correct option is B.
Find more information about Chemotherapy here:
brainly.com/question/847407