Which of the following is the correct si unit to use in measuring amount of material contained in a solid sphere? a) kilograms b) ounces c)pounds d)tons

A) kilograms

Explanation:

The amount of matter in a body is defined as mass, which is a physical quantity that expresses the measure of inertia of a body, determined by the acceleration produced when a force acts on it.

The unit of mass in the International System of Units (SI) is the kilogram, which was defined for many years from a standard object (the international prototype of the kilogram located at the International Office of Weights and Measures). However, since of May 20, 2019, its definition became linked to Planck's constant

the force on the thing and the distance the force moves the thing

option number c is the right answer.