Which laws or rules prevent or reduce injury by preventing crashes

a: child seat laws
b: motorcycle helmet laws
c: impaired-driving laws
d: seat belt laws

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

How would you compare a health care system in ancient egypt and a interdisciplinary health care team? a) these systems are quite similar; the only difference is that interdisciplinary teams today have better technology. b) these systems are very different; in ancient egypt, the team was all ranked the same, where today, the teams all have different rankings based on importance. c) an interdisciplinary team shares goals and responsibilities. in ancient egypt, each level of professionals had different goals and responsibilities. d) today's interdisciplinary teams are structured as hierarchies. in ancient egypt, these teams were patient focused.

Trending data is needed when evaluating fitness levels in order to a. compare against others b. chart overall progress c. correct inaccurate data d. keep a person motivated