Several species of reptiles and amphibians are adapted for life in the Kalahari Desert. Snakes like the venomous puff adder, as well as tiger snakes and Kalahari purple-glossed snakes can be found in the Kalahari, in addition to between 12 and 18 lizard species, including several species of geckos.
Description [edit]. Lahar is a Javanese word that describes volcanic mudflows or debris flows. Lahars have the consistency, viscosity and approximate density of wet concrete: fluid when moving, solid at rest.Lahars can be huge.ahars have several possible causes: 1  Snow and glaciers can be melted by lava or pyroclastic flows during an eruption. 2  Lava flows out of open vents and can mix with wet soil and mud on the slope of the volcano making a very viscous, high energy lahar. 3  A flood caused by a glacier, lake breakout, or heavy rainfall can release a lahar, also called ....
Bali volcano: Pyroclastic flows are the most deadly feature of volcanoes. Pyroclastic flows have the power to decimate anything it their path. Debris the size of boulders can be propelled along the ground at speeds greater than 50mph and rocks caught in the pyroclastic flow can reach 700C.