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
It all depends on how long it has been moving without that information it cannot be answered
Brazil has the most area of tropical rainforests
Answer:
Scientists observe an extremely long <u>ocean-ridges</u> area in a continental plate.
Explanation:
<span>The correct answer is : C.
Botswana.</span>
Botswana is a topographically flat country wherein 70
percent of its territory is the Kalahari Desert. Because Botswana is bordered
by South Africa to the south and southeast area of its territory and by Namibia
to the west and north territory, minimal land areas of both countries are included
in the 900,000 square kilometer land area of Kalahari Desert.
Kalahari Desert also encroached on some parts of Zambia but
no part of Mozambique.