Similar structures that evolved independently are called analogous structures
Answer:
the amount of fossil fuels that are available will eventually decline
The main difference between photosynthesis and cellular respiration is that photosynthesis is an anabolic process, where the synthesis of organic compounds occurs, storing energy whereas cellular respiration is a catabolic process, where the stored organic compounds are utilized, producing energy.
I'm pretty sure the answer is B. Outer Core, since the inner core is usually the hottest, the outer core should be the second.