Volcanic eruptions are caused by all of the following EXCEPT . when two plates collide
when two plates separate
hotspots in the upper mantle
geysers and hot springs

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

How many time zone are there on earth

Due to its high humidity, the south often experiences severe storms with heavy rains called cyclones ,hurricanes, monsoons, tornadoes