Food chain is the process by which energy is obtained used and changed by organisms
Answer:
mixture
Explanation:
Chromatography is a process to separate the various substances present in mixtures based on their properties such as charges, size, affinity, etc.
A pure substance cannot be separated into various substances as it consists of a single type of substance only. A mixture consists of two or more substances that are separated by various physical and chemical methods.
The ink was separated into different colors on the chromatographic paper suggesting that it was a mixture of various colors. Therefore, the ink was a mixture, not a pure substance.
A reflex is involuntary however, other actions are voluntary in nature
A reflex action is an involuntary and almost instantaneous movement in response to a stimulus. It usually does not require any thought or input and therefore does not directly involve the brain.
The path taken by the nerve impulses in a reflex action is called a reflex arc. Most reflex arcs involve three neurons. There are two types of reflex arcs namely autonomic reflex arc which involves the inner organs of the body, and somatic reflex arc, which involves muscles.
The pen would contain Insulin as people with diabetic problems do not have enough insulin in their body to help them break down the sugar