Discriptive investigation never include a hypothesis.
It could trigger nuclear fussion
I would say A since it is closest to the mouth of the volcano and says 20 cm
I am not sure how to answer
Horizontal or transverse or axial cut is if you cutting the object with the horizontal plane. The cut would look like ( -- ).
Vertical or longitudinal is cutting in the vertical plane. The cut would look like ( | )
<span>There is also coronal cuts which were a cut with direction from front to back. </span>
