I believe the answer is a motif.
The idea is to start with your ultimate objective, your end goal, and then work backward from there to develop your plan.
1)carbondioxide
2)helium
3)motion?
4)burn more rapidly
5)co2 and o2
6)a
7)a
8)b
9a
Respiration is the movement of o2 from outside the body to inside the body
Photosynthesis is the process plants use to make food and energy using co2 and light energy
A Nobal gas is a gas in group 8 and have a full outer shell making them unreactive
Because we need air to live if we didn’t have air we wouldn’t be able to breath nor would plants
Wind
Photosynthesis?
Combustion
Nitrogen oxygen and carbon dioxide
Answer: C) Passionate
Explanation: He was so passionate about reading and wanting good stories that he convinced the english department to change the curriculum.