Explanation:
Volcanoes. It is an impressive sight: two sides of land so visibly ripped apart. The Mid-Atlantic Ridge that is to blame runs through the whole of Iceland
So for this one I think it’s C
Answer:
Tangent
Explanation:
A tangent is a straight line that just touches the top of a circle.
However, a sector looks like a slice of pizza (sorry not the most mathematical explanation haha) and the diameter is a straight line through the centre on a circle.
So it would be a tangent.
Hope this helps :)