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)
Outer planets have dozens of moons each
Answer:
37oC - temperature
It is important that the temperature is controlled because it maintains consistency and safety.
Explanation:
-Temperature is a common type of controlled variable.
-A control variable is anything that is held constant or limited in a research study
