When silicon atoms bond, then silicates form which are minerals in which such elements as potassium, calcium, magnesium and aluminum combine with the silicon atoms to form minerals like feldspars of different types or if it is just silicon and oxygen that bond then it forms quartz.
They have less-runny lava, meaning that it doesn't travel as far before cooling, meaning that the layers build up more steeply, but don't go out as far. You also get layers of ash on the composite volcano to help build it up too
Answer:
D
Explanation:
They're are six elements of geography the world in spatial terms etc.
<span>A topographic map is the best tool for this purpose.
In addition to being used for directional navigation, topographic maps also give the user a means by which to understand elevation in the area they climbing. These maps include topographic lines where each line represents an elevation and the distance between lines can be used to determine the terrain profile.</span>