Answer:
The two primary factors that determine how magma erupts is its viscosity and gas content.
Explanation:
Answer:
Zicrons
Explanation:
The oldest of the zircons in the study, which came from the Jack Hills of Western Australia, were around 4.3 billion years old—which means these nearly indestructible minerals formed when the Earth itself was in its infancy, only roughly 200 million years old.
<u>A) Possible trigger for this tsunami:</u>
The reason which might be possible for the tsunami is massive sea waves of water which are resulted from the under sea earthquakes which struck in the gulf of Alaska triggered tsunami.
<u>B) Officials those who doesn’t prepare the public for the possible disaster:</u>
The officials should make the people aware about the disaster and should evacuate the people from that area to avoid any loss of damage to life and property.
<u>C) Is preparations are adequate to prevent a catastrophe for the Pacific Northwest:</u>
No, the state has not done enough to prevent the damage and people are till now building in this potential danger zones.
Explanation:
Archeologists list the location of each item because they want to spread knowledge for everyone and lpeven let the future generations know about this..
hope this helps you..
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