Polyunsaturated fats are lipids in which the constituent hydrocarbon chain possesses two or more carbonâcarbon double bonds. Polyunsaturated fat can be found mostly in nuts, seeds, fish, algae, leafy greens, and krill.
Lava flow during a rift eruption at Krafla, Iceland in 1984. 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.
Noun. 1. lava-rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface. aa-a dry form of lava resembling clinkers.pahoehoe-freely flowing lava.pillow lava-lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions.. lava-rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface. aa-a dry form of lava resembling clinkers. pahoehoe-freely flowing lava. pillow lava-lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions.