<span>The correct answer to this question is the following:
The crust’s role in biogeochemical cycles allows it to provide the raw materials necessary for life on earth. The crust actually affects earth in a massive variety of ways, that are impossible for us to understand without the research undertaken by scientists to understand more about its' effects on life.</span>
I think the answer is c but I looked it up and got this: system or thing used as an example to follow or imitate.
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
Answer:
the evolutionary history of a species or groups of species
form by utilizing systematics
Explanation:
