Question

1. what is the si unit for mass?
2. what is the si unit for length?
3. what is the si unit for temperature?

Explanation:

The International System of Units (SI) has defined standard units for physical quantities. For mass, the SI - base unit is defined by the International Prototype of the Kilogram. For length, it is based on the distance traveled by light in a vacuum in a specific fraction of a second. For temperature, the SI unit is defined in terms of the triple - point of water.

Answer:

1. Kilogram (kg)
2. Meter (m)
3. Kelvin (K)