Question

boykin invented more than 25 devices! his most famous invention improved a heart - helping device called the pacemaker. if a heart does not beat normally, a pacemaker sends a charge. this small amount of electricity fixes the heartbeat. this pacemaker is powered by batteries. the wires send electricity from the pacemaker to the heart. complete the chart. what does \charge\ mean in this passage? word charge clue small amount of electricity meaning? how much energy something has to make something stronger how much something costs to deliver a message

Explanation:

The context clue "small amount of electricity" indicates the meaning of "charge" in this passage. It refers to electrical energy.

Answer:

how much energy something has