Answer:
a mirror is opaque because it is letting light bounce back if it was transparent is would let all the light pass through the object if its translucent it would let some of the light pass through it. the mirror is opaque because the light is bouncing back that is why your able to see yourself.
I guessed b
but idk none of this stuff so
One factor was barbed wire. As farmers and ranchers wisened up, they used the wire to fence in their cattle, destroying the use of cowboys, and taking away one aspect of the "wide open west".
Herds of cattle took over the plains and destroyed the grass. In 1883 t big drought struck and water streams dried up and prairie fires grazed. Also the barbed wire and the natural disasters. People wanted to be able to mark their property.
The Battles of Lexington and Concord.