Electric motors transform electrical energy into mechanical energy so the answer would be B.
Explanation:
Leukemia can be treated using human stem cells to attack and destroy cancer cells.
<span>D.It has affected the fates of a space probe and a commercial airline flight.</span>
Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?
Explanation: