Hello there Ken,
Which type of volcano has lava that primarily consists of basil?
Strato Volcanoes have lava that mainly consists of basil.
Hope this helped.
Contour lines determine the steepness of the land by how close they are together. Generally, contour lines rise to a particular scale (e.g. a line for every ten metres), therefore, if the contour lines are closer together then the height of that particular area has risen more steeply than if the contour lines are further apart where the steepness has increased more gradually.
The hubble telescope thing
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