Question

State the basic unit of time.


State the unit used to measure length of window of your classroom.


State the basic unit of length.


State the unit used to measure distance between two cities.



please give me right answer ​

Answer 1

Answer:

Second

Explanation:

the second

The base unit of time in the International System of Units (SI) and by extension most of the Western world, is the second, defined as about 9 billion oscillations of the caesium atom. The exact modern definition, from the National Institute of Standards and Technology is: "The second, symbol s, is the SI unit of time.