Answer:
Shield volcanoes are built by many layers over time and the layers are usually of very similar composition. The low viscosity also means that shield eruptions are non-explosive. There are two types of lava flows, pahoehoe which is a ropy type of lava that flows easily (low viscosity).
Answer: Modern Tsunami warning systems may have warned everyone to get to higher ground before the tsunami hit, saving the lives of many.
Answer:
Troposphere
Explanation:
The lowest region of the atmosphere, where weather occurs
The correct answer is b. Laurasia and Gondwanaland!
Gondwanaland (also called just Gondwana) is today's South America, Antrarctica Africa and Australia, and additionally parts of Asia, such as India
Laurasia is today's North America, Europe and parts of Asia.
