You are presented with the question "What is used to measure the base unit of the metric system which is the meter?" and the following answer choices:  - solid, liquid, gas  - A laser  - A measuring cup  - bottom of feet  - A tape measure  - focusing a lens  - Time and energy  - A level  Now knowing that atape measure is used to measure length and length The Base unit for length in the metric system is the meter , choose the best answer.

A tape measure