What would most likely occur if an experimental design specifies only a test group?
a)the experiment will lack a control.
b)the experiment will lack a purpose.
c)the experiment will not be repeatable.
d)the experiment will not have variables.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,