Kilometers per hour describes the speed of an object.
A. true
B. false

A. true

Explanation:

Kilometers per hour describes the speed of an object. ... A model train traveling at a constant speed around a circular track has a constant velocity.

dude you should crop your image so only the question shows. but   can you explain it better

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.