What type of volcano does not form a mountain?

How are deposits reflected in a balance sheet? what are they known as?

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine