EVERYDAY SCIENCE

SCIENCE

EARTH SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
a nonexplosive volcano made of hardened lava
A
shield volcano
B
composite volcano
C
divergent volcano
D
transform volcano
Explanation: 

Detailed explanation-1: -Nonexplosive eruptions are the most common type of volcanic eruptions. These eruptions produce relatively calm flows of lava in huge amounts. B. Vast areas of the Earth’s surface, including much of the sea floor and the Northwestern United States, are covered with lava form nonexplosive eruptions.

Detailed explanation-2: -A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra.

Detailed explanation-3: -Most shield volcanoes are formed from fluid, basaltic lava flows. Mauna Kea and Mauna Loa are shield volcanoes. They are the world’s largest active volcanoes, rising over 9 km above the sea floor around the island of Hawai’i.

Detailed explanation-4: -Volcanoes are created whenever there is a break in the Earth’s crust that opens a pathway for magma and gas to escape. Every time a volcano erupts, it changes in shape and size because the lava it releases cools and hardens around it.

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