Question

fill in the blank question
vitamins a, d, e, and k are all \boxed{} -soluble vitamins.

Explanation:

Vitamins are classified into fat - soluble and water - soluble. Vitamins A, D, E, and K are known to be fat - soluble vitamins, while vitamins like B - complex and C are water - soluble. So based on this knowledge of vitamin classification in the field of Biology (a subfield of Natural Science), the blank should be filled with "fat".

Answer:

fat