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.
Source: Alan Wu. 1  17 of the 20 highest mountain peaks in the United States are located in Alaska. 2  There are over 70 volcanoes in Alaska that could still be active. The last volcanic eruption in the state occurred in 1912. 3  There are over 3 million lakes and 3,000 rivers located within the state.