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
expeople1 [14]
3 years ago
9

Which measurement do geologists use to find the absolute age of once-living things?

Biology
1 answer:
juin [17]3 years ago
8 0

Answer:

Radiocarbon dating

Explanation:

Radiocarbon dating measures radioactive isotopes in once-living organic material instead of rock, using the decay of carbon-14 to nitrogen-14. Because of the fairly fast decay rate of carbon-14, it can only be used on material up to about 60,000 years old.

You might be interested in
List two ways in which the biosphere would be impacted if there were no hydrosphere. Use complete sentences. ​
inn [45]

Answer:

The hydrosphere refers to the water on the earth crust. If there were no hydrosphere, we would not have lakes, oceans, rivers, or even a hose full of water.  

3 0
2 years ago
Read 2 more answers
Water stores heat much longer than other substances do allowing organisms to
Wittaler [7]
Because water is so good at storing heat energy, it is harder for organisms to experience a change in body temperature in harsher climates.
3 0
3 years ago
Which of the following is a key characteristic of metaphase?
Illusion [34]

Answer:

The chromosomes move to a narrow central zone of the cell

Explanation:

Prophase: nuclear and cell membrane start to disappear

Metaphase: The chromosomes line up in the equator

Anaphase: Spindle fibres pull the chromosomes towards the poles

Telophase: Nuclear and cell membrane start to form

I hope it useful

6 0
2 years ago
The burning of fossil fuels is a direct cause of each of the following except
SIZIF [17.4K]

Answer:

The ozone hole

Explanation:

7 0
3 years ago
Caffeine is also a what?<br> A. Opioid<br> B. Narcotic<br> C. Barbiturate<br> D. Psychoactive
Nady [450]
The answer to this question is D: Psychoactive. It is the world's most widely consumed psychoactive drug.
5 0
3 years ago
Other questions:
  • 3. All of the organic molecules are based on which element?
    12·1 answer
  • Rachel is convinced that her occasional headaches are caused by a malignant brain tumor. although several physicians have assure
    8·1 answer
  • Sandra is growing mums in her backyard and wants to determine how much water she should give the plants to produce the most flow
    11·1 answer
  • Elements are placed in the same column of the periodic table because they share the same number of valance electrons.
    12·1 answer
  • 7.Which of the following factors does not cause weathering of rocks.
    8·2 answers
  • Much of what scientist know about Australopithecines comes from the Lucy skeleton true or false?
    6·1 answer
  • To distinguish between human and animal hair, forensic scientists may look at what part of the hair?
    5·2 answers
  • Does it make sense to make lactase if<br> there is no lactose present?
    10·1 answer
  • Describe how scientists make interferences on whether water is polluted or not
    13·1 answer
  • GATTACA Movie Conclusion
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!