Which one of these is NOT a
category of luster of a mineral?
A. metallic
B. sub-metallic
C. non-metallic
D. streak

Streak isn't a category for the luster of the minerals.

Luster is the property of a metal which marks the shiny and bright property of the metals. The elements are divided into two categories based on their shining property.

One class is very shiny and light can undergo direct reflection from its surface. They are the lustrous substances, mostly metals. They are said to have metallic luster.

The other group has the gross, greasy, waxy, pearly appearance which dont have any shiny property. They are said to have non metallic or submetallic luster.

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,