Because the tension develops along the fall line, transverse crevasses tend to form as straight crevasses across glaciers, perpendicular to the flow. Conversely, at the bottom of drops or in bowls, the ice is in a compression zone and is generally free of crevasses. Transverse crevasse formation.
MK4 is a form of vitamin K2 and the principle ingredient in Osteo-K. MK4 works by promoting bone health through the formation of bone collagen, the connective tissue in bone. Bone is a complex tissue comprised of minerals such as calcium and connective tissue (collagen). The minerals give bone its hardness and the collagen gives bone its flexibility.
The M4 carbine is a shorter and lighter variant of the M16A2 assault rifle. The M4 is a 5.56Ã45mm NATO, air-cooled, direct impingement gas-operated, magazine-fed carbine. It has a 14.5 in (370 mm) barrel and a telescoping stock.The M4 carbine is heavily used by the United States Armed Forces and is replacing the M16 rifle in most United States Army combat units.he XM4 was given a longer 14.5-inch barrel with the M16A2's 1:7 inch rifle twist, to use the heavier 62-grain M855 rounds. The extended barrel improved the XM4's ballistics, reduced muzzle blast and gave the XM4 the ability to mount a bayonet and the M203 grenade launcher.