Mobile, Alabama. Mobile, Alabama, on the Gulf of Mexico, is home to Evonik's largest North American site. The 700 or so employees here produce hydrogen peroxide, fumed silica, and the animal feed additive methionine, among other chemicals.
A complex volcano, also called a compound volcano, is a volcano with more than one feature. They form because of changes in their eruptive characteristics or the location of multiple vents in an area.
Confidence votes 83.6K. A stratovolcano is a conical volcano with a steep profile that is composed of many layers of hardened lava, pumice, tephra, and volcanic ash. Stratovolcanoes capable of producing both effusive and explosive eruptions, some of which can be very large.They are the most dangerous type of volcano.o. A stratovolcano is a volcano with steep slopes consiting of layers of lava flows, ash, and pumice and is prone to explosive eruptions. A shield volcano is a volcano with b â¦ road slopes composed of layers of low viscosity lava flows and is generally not prone to explosive eruptions.