Answer:
They are all organic compounds
Explanation:
Methanol, ethanoic acid and glucose are all organic compound that can be found in living organisms.
Glucose is a product of photosynthesis in plants. It is also produced from digestion of food in animals.
Ethanoic acid is a product of cellular respiration that occurs where there is insufficient oxygen.
Methanol is a waste often found in urine.
These compounds can all be traced to living sources. They are called organic compounds.