-prolonged copper deficiency results in anemia -Copper deficiency= Decrease of WBC, decrease in skin and hair pigmentation, mental retardation might also occur in children -Foods rich in Copper= crab oysters, liver, nuts, seeds, cocoa Zinc
Mauna Kea, HawaiÊ»i, a shield volcano on the Big Island of Hawaii. A shield volcano is a type of volcano usually built almost entirely of fluid magma flows. They are named for their large size and low profile, resembling a warrior's shield lying on the ground.This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from stratovolcanoes.hield volcanoes are distinguished from the three other major volcanic archetypesâ stratovolcanoes, lava domes, and cinder cones âby their structural form, a consequence of their unique magmatic composition.
Shield Volcanoes The Hawaiian shield volcanoes are the largest volcanoes on Earth. Super Volcanoes Super volcanoes produce enormous amounts of ash and pyroclastic material during an eruption. Yellowstone Caldera Yellowstone is a super volcano that has erupted numerous times in the past. Super Volcano. Introduction. Yellowstone caldera is located in the northwest corner of Wyoming. The is also known as Yellowstone Supervolcano. The caldera measures 34 x 45 miles (55 x 72 km) in size. It is located in Yellowstone National Park visited by over 3.6 million visitors each year.