The above figure is example of system equilibrium because it is closed system.
In closed system there's no loss of product (or reactant) therefore equilibrium is established.
Answer:
A
Explanation:
Because the gravity and the mass of objects are proportionate
This would be an ion
Hope this helps :)
Answer: 450 BC
a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
