My educated guess should be the 3rd one
The first one is substance 3
The second one is Oxygen, Helium, and carbon dioxide
The third one is the oil floats on top of the water
Answer:
A
Explanation:
bc inorganic compoud refers to all compound that do not contain carbons.
I have heard they can use hair is stocking or nets to absorb the oil out of the water
Answer:
An acid dissociation constant, K a, (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution. It is the equilibrium constant for a chemical reaction ↽ − − ⇀ − + + known as dissociation in the context of acid–base reactions.
Explanation: