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.
I can help you what do you need?
Answer:
2000 km/s
Explanation:
the formula for speed is speed=distance/time, this is the formula that should be used here. 50,000/25, which equals 2,000