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
crimeas [40]
2 years ago
11

I if a radioactive material has a 10 year half-life, how much of a 100 g sample will be left after 20 years?

Biology
1 answer:
Tom [10]2 years ago
6 0
I believe the answer to your question is C) 12.50g.

Since it has a half life of 10 years and the question asks for 30 years all you need to do is divide 100 in half 3 times.

Hope this helps!! :))
You might be interested in
While out bird-watching, Samantha took this picture. She was in an area of shallow water, surrounded by grassy plants. She saw a
Paraphin [41]

Answer:

marsh

Explanation:

  • Marsh is a type of wetland that is usually formed in the areas of transition between aquatic and terrestrial ecosystems.
  • Marsh is dominated by herbaceous species such as grasses, reeds, etc.
  • In a marshland that is a variety of birds and animals that can be found.
  • These are usually formed near lakes or streams.
  • Since the place where Martha was present has all these characteristics she was most likely in a marsh.
4 0
3 years ago
Read 2 more answers
Which of the following describes the actions you will probably take when completing the "Propose a Design" step of the technolog
Alexxandr [17]

Answer:

I'd say C

Explanation:

3 0
2 years ago
Read 2 more answers
What can a biologist infer from a population that is uniformly distributed through its habitat? Individuals are neither attracte
shutvik [7]
<span>A biologist can infer from a population that is uniformly distributed through its habitat that it has reached it's carrying capacity. If resources were unevenly distributed through the environment, you would not see a uniform distribution of the population itself.</span>
3 0
2 years ago
Read 2 more answers
6) The scientific method
Rasek [7]

Answer:

Can be used for simple experiments at home or in the classroom

7 0
3 years ago
A problem caused by the overuse of fertilizer that results in algal blooms like this is known as
iogann1982 [59]

C) Eutrophication is the answer

Have a Nice Day! :)

7 0
2 years ago
Read 2 more answers
Other questions:
  • What cause the slight positive (8+) and negative (8-) poles on a molecule of H20?
    12·1 answer
  • To conserve body heat, vasoconstriction restricts blood flow to the periphery but not to the body’s core. Explain how this is an
    14·1 answer
  • What is most likely the result of genetic engineering
    10·2 answers
  • Where do producers get their energy?
    14·2 answers
  • Red shift
    13·1 answer
  • The redundancy of the genetic code is a consequence of ______. View Available Hint(s) The redundancy of the genetic code is a co
    8·1 answer
  • Which of the following is part of the mechanical layers of the Earth?
    13·1 answer
  • pls help ill give brainliest :) Jezmena traveled at a speed of 14km/h for 2.2 hours. What was the distance covered?
    13·1 answer
  • What does a ribosome do.
    6·2 answers
  • What embyonic germ layer gives rise to liver?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!