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5/12/2020Quiz 2: EarthSS 1: Introduction to ESS (42000)1/8Quiz 2DueOct 14, 2019 at 1pmPoints10Questions10AvailableOct 11, 2019 at 3pm - Oct 14, 2019 at 1pm 3 daysTime LimitNoneAllowed Attempts3InstructionsThis quiz was locked Oct 14, 2019 at 1pm.Attempt HistoryAttemptTimeScoreKEPTAttempt 2 4 minutes9 out of 10LATESTAttempt 3 3 minutes8 out of 10Attempt 2 4 minutes9 out of 10Attempt 1 55 minutes7 out of 10Score for this attempt: 8out of 10Submitted Oct 13, 2019 at 9:53pmThis attempt took 3 minutes.This quiz will cover topics from Lecture 5-7. The questions are designed to test whetheryou UNDERSTAND and can APPLY your new knowledge to new situations.This quiz must be completed by 1p.m. on Monday 14th October. You may take the quizup to 3 times and your best score will count towards your grade.1 / 1 ptsQuestion 1We can also use radioactive decay of 14C (radiocarbon) into 14N(nitrogen) to date animal and plant remains. The half-life of 14C isapproximately 5500 years. We measure the amount of 14C in a piece ofmammoth bone to work out how old it is. We find that only 12.5% of theoriginal 14C is left so how old is the mammoth bone?
5/12/2020Quiz 2: EarthSS 1: Introduction to ESS (42000)2/8