You can never be sure unless you have adequate information of the 'food' you are gathering or the place that you are gathering it from. You'll never be sure unless you have been previously taught by someone who really knows.
Food consists of edible substances, by definition. Things that are not edible are not considered food.
Hunter-gatherers obtained their food by hunting animals and gathering edible plants, nuts, fruits, and roots from their surrounding environment. They relied on their knowledge of the land and natural resources to sustain themselves.
Food chains are edible
If food is spoiled it means that it is no longer edible or rotten. If food is spoiled be sure not to ingest it because it could make a person very sick.
It is edible but not a food.
last night i take the edible food food on dhaba
If the wrap is a type of food such a tortilla, it is edible. If it's paper or cardboard, it is not edible.
The food in Prison was basic but edible. How do you know which wild mushrooms are edible and which are toxic. After sitting in the fruit basket for several weeks, the bananas were no longer edible.
edible food
Sure, it is.
edible food
Somewhat edible food