Answer: A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
Defecation reflex … thank you
6 protons is the amount of electrons so it would be... 6 protons 6 neutrons 6 electrons in all so it is probably 18 protons but im not to sure but..idk good luck
Charles Darwin made the observations which led to the theory of evolution.
Answer:
The volume of container determines the volume of a gas.
How?
As the gas takes the shape of container .
hope it helped you:)