2nd and only 2nd option is right
<span><em>78% = nitrogen</em>
<em>21% = oxygen</em>
</span>
<em>%1 = noble gases</em>
Aquifer- the layer permeable rock that has connecting pores & transmit water freely, the artesian well water rises to the surface.
Hope this helps!
Answer:
A quantity that has magnitude and direction. It's usually represented by an arrow whose direction is the same direction is the same as that of the quantity and whose length is proportional to the quantity's magnitude