Question

select the top - loading balance.

Explanation:

A top - loading balance is a weighing instrument where the sample is placed on the top surface for weighing. The first image is a thermometer, the second is a laboratory stand - like apparatus, and the third is a balance with a flat top surface for placing items to be weighed.

Answer:

The third image (the digital weighing scale with a flat top surface and display showing 0.00)