I think it is aluminum oxide
Answer:
<em>Your</em><em> </em><em>Answer</em><em> </em><em>is</em><em> </em><em>Option</em><em> </em><em>A</em><em> </em><em>that</em><em> </em><em>is</em><em> </em><em>Gas</em><em>.</em>
South Pole and north Pole . it's about megnetic field different spheres of earth interact
Repeatable
If it’s repeatable and you get the same answer constantly then it’s a good and accurate experiment
