B. the physical properties have changed, but the chemical properties have not.
Answer:
The answer is either geosphere, hydrosphere, atmosphere, cryosphere, or biosphere. Its not the answer but its a hint. Please follow
<span>In terms of energy and entropy, systems in nature tend to undergo changes toward lower energy and higher entropy. Entropy is important as it describes the flow and distribution of energy. For a process to to occur spontaneously, it is a necessary condition that the entropy of the system undergoing the process to increase. If the entropy decreases, then that process cannot occur spontaneously. It needs some work/ energy to be pumped in in order for the process to occur</span>
Answer:
c4 is an explosive..
contains RDX, DOS, DOA, and PIB.
Explanation:
