1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alexxx [7]
3 years ago
7

Question 4 of 20

Geography
1 answer:
pashok25 [27]3 years ago
7 0

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

You might be interested in
True or False:<br><br><br> 46% of Russia is permanent forests.
netineya [11]
Its Truu . <span>True or False: 46% of Russia is permanent forests. </span>
8 0
4 years ago
Read 2 more answers
Where is the hundi kush located?
Kay [80]
Near the point where the borders of China,Pakistan<span> and </span>Afghanistan<span> meet

</span>
7 0
3 years ago
Read 2 more answers
All of the following climate regions are labeled on the map above except
Oksanka [162]
The answer Subarctic
8 0
3 years ago
How long is daytime during the following?:
boyakko [2]
This website could help you http://www.weather.gov/cle/Seasons

4 0
3 years ago
Which planet shows the widest range of surface temperatures between day and night?.
Lana71 [14]

Answer:

Mercury has the widest variation in surface temperatures between night and day of any planet in the solar system.

Explanation:

6 0
3 years ago
Other questions:
  • What is the primary mission of the twin rovers and the Mars Science Laboratory (MSL)?
    6·1 answer
  • In the terminology of plate tectonics, an active margin is ____________.
    8·1 answer
  • 4. Geographers often say that geography can be understood in terms of different _____, or in terms of different _____.
    10·1 answer
  • Which of the following rivers is a major transportation artery in Thailand?
    6·2 answers
  • Which of the following reasons explains why most early cities developed in southern Mesopotamia?
    10·1 answer
  • Which of the following is not correct about reporting experimental results?​<br>Need Answer asap!!!!
    11·1 answer
  • What island nation is the only one that shares a border with another country?
    8·1 answer
  • Describe forest ecosystem and the energy flow in the forest ecosystem
    9·1 answer
  • Mexico's government prior to the year 2000 can be characterized as stable, with multiple political parties winning elections at
    6·2 answers
  • Terangkan mengapa perkembangan kegiatan ekonomi penting kepada pembangunan sesebuah negara?​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!