Lava is the molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling. This molten rock is formed in the interior of some planets, including Earth, and some of their satellites.The source of the heat that melts the rock within the earth is geothermal energy.When first erupted from a volcanic vent, lava is a liquid at temperatures from 700 to 1,200 Â°C (1,292 to 2,192 Â°F).his molten rock is formed in the interior of some planets, including Earth, and some of their satellites. The source of the heat that melts the rock within the earth is geothermal energy. When first erupted from a volcanic vent, lava is a liquid at temperatures from 700 to 1,200 Â°C (1,292 to 2,192 Â°F).
What is the major danger of anchring a fishing boat from the stern.? Never anchor a boat from the stern, or let the anchor rope get caught towards the... Which job is more dangerous ice road trucking or crab boat fishing? Both ice road trucking and crab boat fishing are extremely dangerous jobs....
1 If they are anchored with a single anchor from the bow, do not anchor bow and stern. 2  Never anchor from the stern alone, this could cause the boat to swamp or capsize. 3  Rig the anchor and rode. 4  Check shackles to make sure they are secured with wire tied to prevent the screw shaft from opening.ushroom anchors do not have the holding power of a fluke or plow anchor and should only be used on small, lighter weight boats. A local marine supply store can help you select the proper anchor for your boat and for the waters in which you will be boating.