-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.
Composite Volcano. Introduction. A composite volcano is also known as a stratovolcano. These volcanoes form tall, conical shaped mountains. Most of the Earth's active volcanoes have formed a ring around the Pacific Ocean. There are 452 stratovolcanoes in the Pacific Ring of Fire.he lava is less fluid and forms thick lava flows on the sides of the volcano. Sometimes the lavas form small dome volcanoes over the vent in the crater of a stratovolcano or on its steep sides. Eruptions of statovolcanoes. Stratovolcanoes erupt less frequently than shield volcanoes which have formed over hot spots.