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>
Except the cybercommunities or technology like things that you cant PHYSICALLY see
Answer: Fish farming, a type of aquaculture, produces fish through selective breeding to produce a cheap source of protein, reducing the fishing pressure on wild stock fish.
Explanation:
Geology..geophysics Botany. subfields in geography