B. 1748
They remained frozen in time until an engineer found them
Answer: I believe the right answer is B) atmospheric nitrogen→bacteria→plants→animals. I'm pretty sure!
Sorry for answering a bit late, hope that helps! :-)
The answer for this will be C an integration of organ systems this is because the endocrine system also works with the nervous system and immune system etc
Ribose is a simple sugar at the center of adenosine triphosphate (ATP). It's the same sugar that makes up RNA.
Answer: Cells need to be able to survive
Explanation: they adapt
