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
stiv31 [10]
3 years ago
11

How are radioactive isotopes used to date rocks? ...?

Biology
1 answer:
Stolb23 [73]3 years ago
8 0
Some isotopes, however, decay slowly, and several of these are used as geologic clocks. Dating rocks by these radioactive timekeepers is simple in theory, but the laboratory procedures are complex. <span>All methods rely on the fact that certain elements (particularly uranium and potassium) contain a number of different isotopes whose half-life is exactly known and therefore the relative concentrations of these isotopes within a rock or mineral can measure the age.</span>
You might be interested in
What are some challenges animals might face when migrating?
Andreas93 [3]

Answer:

Some challenges animals might face when migrating are disease, global climate change, overexploitation, and habitat destruction.

Explanation:

In virtually every corner of the globe, migratory animals face a growing array of threats, including habitat destruction, overexploitation, disease, and global climate change. Saving the great migrations will be one of the most difficult conservation challenges of the 21st century.

3 0
2 years ago
Read 2 more answers
Animals with photoreceptors have good vision.<br> a. True<br> b. False
jarptica [38.1K]
<span><span>Photoreceptors are cells</span><span><span> <span>in the retina</span></span><span> that begin the process of seeing. The retina is the back part of the eye that contains the cells that respond to light. These specialized cells are called photoreceptors. They absorb and convert light into electrical signals. These signals are sent to other cells in the retina and ultimately through the optic nerve</span></span><span> <span>to the brain</span></span><span> where they are processed into the images we see. The answer is true. Animals with photoreceptors have good vision.</span></span>
5 0
2 years ago
The part of an experiment that stays the same though out the experiment is called a
Eddi Din [679]
Answer is: the part of an experiment that stays the same though out the experiment is constant.
<span>Constant is a quantity that does not change.
</span>Experimental variable<span>, which is the also part of an experiment, is affected by the experiment (have change).</span>
8 0
2 years ago
At the client's attorney, you have been provided with police videotape of the crime scene analysis. In the video, you notice tha
allsm [11]

Answer:

If the suspect was injured in a specific area on his hand, then you could bring that bandage forth as evidence.

Explanation:

8 0
3 years ago
Please help me <br><br> I do not no this one
SCORPION-xisa [38]
Pulling a wagon uphill
6 0
3 years ago
Read 2 more answers
Other questions:
  • If this is on the gene in the DNA, how would the mRNA copy of it read? AATGCTCAG
    14·2 answers
  • What as the consequences of sin and how can one be redeemed according to hawthorne?
    6·1 answer
  • Complete the sentences to describe natural selection
    11·1 answer
  • How do fungi play an essential role in maintaining equilibrium in an ecosystem?
    7·2 answers
  • Which of the following represents an isotope for lithium (73LI)?
    6·1 answer
  • Your 83-year-old uncle has always been an entertaining storyteller. In the past few years, he has been having difficulty remembe
    7·2 answers
  • The ___ in the limbic system stores and stores new information.
    14·1 answer
  • una bola en movimiento es golpeada por el bateador y cambia su dirección de movimiento. que ley de movimiento neutrón es.​
    12·1 answer
  • Which statement best explains the relationship between an area's geography and the temperature of its surface water?
    5·1 answer
  • Which statement best describes genetic material?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!