I believe the answer is c. because of Darwin's theory of evolution..
Answer:
There are many types of matter because one thing or substance can change its structure depending on its environment such as how much pressure it's under and what kind of temperature surrounds it.
The answers is D because it needs something to survive
Option C would be correct. The organ system can plays many parts at one time. Also, it is the only system listed.
Hope this helps!
July is the warmest summer it has been proven by me and my fellow class mates.
