Answer:
true ribs, false ribs, floating ribs
Protein mainfactured by Gene and chromosome
Answer:
I'm thinking observation vs inference
Explanation:
she does her research about the situation and then comes up with an idea. the idea can be seen as an inference since at the end of the article it says "proving to be more impossible than not", which leads me to believe it's more of an observation vs inference situation.
Answer:
2) motion of molecules
Explanation:
heat is a form of energy, molecules with more energy 'vibrate' more