Answer:
a.) kinetic energy from the mallet is transferred first to the orange ball and then to the purple ball.
Explanation:
It is not mechanical like in B, potential energy is not passed from ball to ball like in C, and it is not electromagnetic like in D. Therefore, it is A because the mallet hits(kinetic) the orange ball then the orange ball rolls(kinetic) into the purple ball so that the purple ball rolls(kinetic)
Black for the first,
Brown for the second,
And,
White for the third.
Hope that his helps you..
D bc the product u using was used b4 so if something is used b4 den u cnt use it again
Blocking the way upstream
Calcite is the most common rock