Macrocytic RBCs are large so tend to have a higher MCH, while microcytic red cells would have a lower value.. MCH is one of three red blood cell indices (MCHC and MCV are the other two). The measurements are done by machine and can help with diagnosis of medical problems.
Alaska's Bogoslof Volcano. Bogoslof volcano, located in the Aleutian Islands about 98 km (61 mi) northwest of Dutch Harbor/Unalaska, is in an active eruption sequence that began in mid-December 2016 and continues today.
Popocatepetl is the second-highest volcano in Mexico, located on the Pacific Ring of Fire and the Trans-Mexican Volcano belt. It was dormant since the 1950s before becoming active in 1994 â erupting occasionally with sometimes damaging results.opocatepetl volcano erupts again near Mexico City (VIDEO). Mexico's huge Popocatepetl volcano erupted with an explosion of gas and ash that could be seen from miles, and could possibly create an ash cloud bound for Mexico City some 40 miles to the southeast.