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13 votes
Can someone help please!

Can someone help please!-example-1
User Ethesx
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2 Answers

10 votes
Number 3 is the right answer
User Chrisjleu
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5 votes
Base isolation is a technique used by engineers to help prevent damage to buildings by volcanoes. The
O main structure of the building is separate from the base, which allows lava to pass under the building
without causing much damage
User Day
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