Hydrocarbons,polycyclic aromatic hydrocarbons
Explanation:
They differ when they have the same chemical composition but the way in which they are arranged or put together is different.
Answer: I think it is uplifting movement theory
Explanation:
I am learning about this stuff in my class.
I think its C. The long neck of a giraffe
The law of conservation of energy states that the total energy of an isolated system remains constant it is said to be conserved over time for instance, chemical energy is converted to kinetic energy when a stick of dynamite exploded hope this helps and good luck