The answer to that would most likely be cellulose or lignin. Cows can break this substance down, but not completely, and as such cannot be entirely digested in their stomachs.
A substance that cannot be separated physically is a pure substance.
An element cannot be broken down into a simpler substance by chemical means.
That's correct, fungi do not contain chlorophyll. Instead of using photosynthesis to obtain energy like plants, fungi are heterotrophic organisms that obtain nutrients by breaking down organic matter in their environment.
An element.
There is no such thing as a cancer atom as cancer is not an element or even a substance. Cancer is a disease. An atom can belong to only one element and cannot contain others.
cellulose
The food that cannot be digested goes to the large intestine.
The food that cannot be digested goes to the large intestine.
cellulose which is present in grass can be digested by ruminants but cannot be digested by humans
Mostly it is the cellulose. It cannot be digested
Rocks
Fiber is the rough parts of some fruits, vegetables, and grains that cannot be digested.
Fiber is the rough parts of some fruits, vegetables, and grains that cannot be digested.
No, all snakes are obligate carnivores, and plants do not take up any part of their diets beyond the digested plant matter in their prey's stomach, which has been digested by the prey. The snake cannot digest the plant matter at all by itself.
The void (if it exists) does not, by definition, have substance. It cannot contain matter, energy, or any other form thereof. A null void is defined and described by this exact lacking.
Fiber.
A pure substance is a substance that cannot be separated by means of physical separation but only by chemical. It is a change in time.