Question

What is the unit of distance ?
1) Mass
2) second
3) Light year
4) kilogram​

Answer 1

Answer:

meter but there not this option

but light year is also used to measure distance.

so, light year is a unit of distance.

hope it helps u dear☺️☺️☺️

Answer 2

step by step explainsion :

A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of length. The most common units in modern use are the metric units, used in every country globally.

answer: mass