Geography, 30.11.2019 02:31 Thania3902
Aradioactive isotope of the element potassium decays to produce argon. if the ratio of argon to potassium is found to be 7: 1, how many half-lives have occurred? a. 1 half-lifeb. 3 half-livesc. 7 half-livesd. 8 half-lives
Answers: 2
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Chris lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. it is warm all year.mark lives in city with an average annual rainfall of 40 millimeters. it has hot summers and cool winters.chris's city is in a climate, while mark's city is in a climate.
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Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil
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Suppose that the sun shrank in size but that its mass remained the same. what would happen to the orbit of the earth?
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Aradioactive isotope of the element potassium decays to produce argon. if the ratio of argon to pota...
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