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The half-line of a radioisotope is the amount of time it takes for ? A. The age of an artifact to be calculated. B. Half the sample to decay. C. Detectable radiation to be absorbed by a sample. D. All

asked May 7, 2019

Physics
middle-school

1 answer

5 votes

66.7k views

Which is used to identify mineral grains in a soil sample? A) sieve B) microscope C) Munsell scale D) density gradient column

asked Dec 9, 2018

Biology
high-school

2 answers

5 votes

3.5k views

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