The magma that rises out of them cools eventually, with some help from the water. eventually all the cooled magma builds up into an island.
Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
False because the Cherokee syllabary is a syllabary invented by Sequoyah to write the Cherokee language in the late 1810s and early 1820s.
* Hopefully this answers' your question. Mark me the brainliest:)!!!
