Question

What are the SI base units for length and mass?

Answer 1

Answer:

meter and kilogram

Explanation:

As we know that there are seven fundamental SI units which are used to fine derived units

these are as following

1). Mass - Kilogram

2). Length - meter

3). Time - Seconds

4). Electric Current - Ampere

5). Amount of substance - Moles

6). Intensity of light - Candela

7). Temperature - Kelvin

Answer 2

The answer is:
Meter and Kilogram

I hope that i could be of assistance! ;)