Because solo gold isn't strong material. But with admixture it's stronger.
Answer:
reflection of light is the bending of light from one medium to another
There was no net force on the stuffed toy, because the kids might have the same strength, The same force is on both sides of it. T<span>hey cancel each other out. They exert a force on the stuffed toy equal in strength but opposite in direction. The forces are balanced and the stuffed toy does not move. </span>Its like a game of tug-o-war, but you and I have the same strength. the rope would be still and not moving.
The answer is C because thats what the answer is so good luck in the class