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
Answer:
The constitutional convention
Between 1931 and 1940 a ton of soil blew out of the central and southern great. It was a period of severe dust storms that greatly damaged the ecology and agriculture during the 1930s.
Answer:
I believe it is renewable solar.
Explanation:
This is because sunlight is a renewable resource. Solar energy is also being collected by the solar panels.
Answer:
At your back, the South (S). To make orientation work easier, maps usually have the North direction at the top of the sheet of paper. So East is always on the right, West is always on the left, and the South direction is always down.
Hope I helped you, good studies!
