A caldera viscous or acidic lava plugs the vent of a volcano this leads to violent eruptions this causes the crater to be blown off the top of the volcano subsides or collapes forming a basin shaped depression.called a caldera .hope this helps
Answer:
ok
djskabqpakqbwpqjssjajsskaka
Answer:
Quite probably because the percentage of water in the atmosphere is a function of temperature.
Explanation: