B. How far do butterflies migrate
A, C and D are opinions not facts.
I know carbon dioxide is, I don’t think oxygen and water vapour are. I don’t know the others, sorry
Answer;
Lordosis
Lordosis is the term for the spine when its alignment is curved anteriorly, instead of side to side, usually as a result of multiple cervical vertebral fractures, as seen in the neck of the elderly.
Explanation;
Lordosis is a dramatic inward curve of the spine and can negatively impact the posture. It is often referred to as a swayback or hyperlordosis- hyper meaning excessive, and lordosis being the inward curve.