Answer:
I think it should be C and D both.
The answers are
1. Matter
2. Biosphere
Answer:
the scientific methothe formula and testing of a hypothesis is part of the scientific method
Energy
gathering best describes the nature of cellular respiration.
Cellular respiration<span> is a set of metabolic reactions and processes that
take place in the cells of organisms to convert biochemical energy from
nutrients into adenosine triphosphate (ATP), and then release waste products.</span>
The correct answer between all
the choices given is the second choice or letter B. I am hoping that this
answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.