The answer is "Handwashing"
Hope this helps!
-Payshence xoxo
The Core will help scientists study the rock because the Core has less oxygen silicone, aluminum, and magnesium.
<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.
<span>Eubacteria and Archeabacteria (Archea)
Hope this helped :)</span>
