Answer:
<em>A. 6,000 years</em>
Explanation:
Original sample N = 60 g
The half life of N/2 is 3000yrs
"""""""""""""""""""N/4 is 6000yrs
N/4 ===> 15 gram
it takes 6000yrs to decrease to 15grams
Antarctica is the furthermost south land on Earth
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Answer:
Title, a Legend, a Grid, a Compass Rose to indicate direction, Citation, Data Frame, a North Arrow, and a Scale.
Answer:
c
Explanation:
it's closest to the equator
