One half-life after a radioactive isotope is incorporated into a rock there will be only half of the original radioactive parent atoms remaining and an equal number of daughter atoms will have been produced.
B. prokaryotes because they do not contain organelles or a nucleus. the following above in the question all are eukaryotic and contain organelles and a nucleus
The electron model most likely describes the locations of electrons sin atom.
I’m not 100% sure but I brelieve the correct answer is 30 due to the hurricane being surrounded by land and no water for it to gain size, hence it weakening itself