Answer:
hui im sorry do not speak arabic but ramdsn kareem to everyone
Explanation:
To answer this question, let us define first what is a theory. Well, a theory is an idea or hypothesis that explained something. From the given choices, the answer is the letter "C" which is "Rocks break down over time". This is the answer since this is the only the statement that can be proven.
Invertebrate, b/c it doesn't have a spine of any kind
Answer:Skeletal, cardiac and smooth
Your welcome!