<span>He discovered a new type of medicine that could treat infections.
Hope this helps!
-Payshence xoxo</span>
Answer:
Sorry kid my middle school day re long gone but ummm... don't do drugs
:)
Explanation:
<span>1. A hydrogen fuel cell is more efficient than a combustion reaction because very little of the released energy is released as HEAT.
We need more energy emit as light and less heat. Lesser the heat more the efficiency.
2. </span>when used at home a fuel-cell illuminates the need for <span>an electrical grid</span> because the cell is portable.
As said, it is portable.