Answer:
B. carbohydrate
carbs/carbohydrate is a form of sugar like cellulose
I hope that this can help you
A cow will eat grass in a field, the grass is the plant and the plant eater is the cow. (Srry if this is not what your looking for)
Answer:
I think its organic material from plants and animals
Explanation
Edge 2020
D looks like the oldest one because there is barley anything there. if not then I would do b
