2. Give at least 2 major roles of mining in our lives.

Mined materials are needed to construct roads and hospitals, to build automobiles and houses, to make computers and satellites, to generate electricity, and to provide the many other goods and services that consumers enjoy.

Explanation:

Mined materials are required to build roads and hospitals, automobiles and homes, computers and satellites, generate electricity, and provide consumers with a variety of other goods and services. Mining also has a significant economic impact on producing regions and countries.

Explanation: hope this helps

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

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.