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
Montano1993 [528]
3 years ago
7

When a rock first formed, it contained 8 milligrams of potassium-40. How much potassium-40 would remain after three half-lives?

Biology
1 answer:
Slav-nsk [51]3 years ago
3 0

Answer:

l milligram

Explanation:

You might be interested in
The most high-quality images of the soft tissues of the brain are provided by _________ scans.
Lemur [1.5K]

Answer:

The answer is MRI.

Explanation:

The method used to get the best quality images of the brain's soft tissue is MRI (Magnetic Resonance Imaging) scans. One of the most common benefits of using MRI is because it does not use x-rays therefore does not emit radiation that is harmful to the subject, which is one of the reasons that it provides high-quality images.

I hope this answer helps.

4 0
3 years ago
A major advantage of plants is that they can often be regenerated from a single cell. Many plant cells, for example those in the
wel

Answer:

Plant tissues can be grown in culture on a solid medium in a petri dish, called ___<u>Agar media</u>____ culture, or in liquid ___<u>Broths media</u><u>_</u>______ culture.

Explanation:

Growth Media:

Growth medium is also known as culture medium designed for the growth of plants  or microorganisms. There are different ranges of media which are used for growing different types of cells.

Major types of media:

There are two major types of culture media used in tissue culture labs. These media were categorized on the basis of their matter states.

1) Plant tissues can be grown in culture on a solid medium in a petri dish, called Agar media and

2) Plant tissues can be grown in culture on a Liquid medium in a petri dish, called broths media

7 0
4 years ago
How do the population sizes at each trophic level compare between the two ecosystem?​
Marianna [84]

Answer:

Population can take months. while ecosyistem can be destroyed in one day

Explanation:

6 0
3 years ago
Read 2 more answers
What is the significance of chitin in arthropods? A. Chitin is a storage carbohydrate that forms their exoskeleton. B. Chitin is
Kay [80]
C is the answer I believe
6 0
3 years ago
Each distinct form of life or type or organism is called a
erica [24]

Answer: Archaebacteria

Explanation:

7 0
3 years ago
Other questions:
  • FREE POINTS PLZ ANSWER THE QUESTION BELOW... AND BRAINLYEST SHALL BE GIVEN.
    10·2 answers
  • Is there DNA in your food? how do you know
    8·1 answer
  • How do scientists know what is happening within a landfill and what data do they collect to tell them the health of the surround
    15·1 answer
  • At rest, the membrane of the cell is slightly permeable to ___________________, the positively charged ion that is most responsi
    15·1 answer
  • What is the role of RNA polymerase?
    5·2 answers
  • Imagine that the regulatory tumor-suppressor genes have mutated. what might be the outcome of this? all but one answer would be
    15·2 answers
  • What colors are the organelles in a animal cell.??
    14·1 answer
  • Describe how the functions of proteins differ from the functions of carbohydrates
    15·1 answer
  • The weather in a location is related to
    8·2 answers
  • Why is meiosis important for introducing different traits?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!