Airborne fragments<span> of lava, called tephra, are ejected from a single vent. The lava cools rapidly and builds up around the vent, forming a crater at the summit. Cinder cone volcanoes are fairly small, generally only about 300 feet (91 meters) tall and not rising more than 1,200 feet (366 meters).</span>
Answer: As hyperopia results from the visual image being focused behind the retina, it has two main causes: Low converging power of eye lens because of weak action of ciliary muscles. Abnormal shape of the cornea.
Erosion, because after the sedimentary rock erodes it will then be deposited as in the form of pebbles or debris, from there it will undergo the process of compaction and cementation only to be eroded again.
Sikhism would be your answer
