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
Aleks04 [339]
3 years ago
8

While studying for your physical anthropology midterm, your classmate tells you that the bones of Lucy, a famous australopitheci

ne specimen that dates to about 3.2 million years ago, were dated based on carbon-14 analysis. You note that this is incorrect becausea. carbon-14 analysis cannot provide accurate date estimates that far into the past.b. Lucy is a fossil hominid, meaning her bones are no longer actually bone but rather rock.c. palaeomagnetic dating is the only way to arrive at that numerical age.d. All of the above
Geography
1 answer:
emmainna [20.7K]3 years ago
3 0

Answer:

The answer is Option D. All of the above.

Explanation:

Fossils are formed when living organisms become trapped in the earth and their soft tissues decompose but leave behind the hard tissues like bone. The bones gradually become rock due to the sediments that begin to cover the bones. Therefore, the fossil remains of Lucy are no longer bones and cannot provide the organic material that is necessary when trying to achieve carbon-14 dates from an ancient site. It is also true that C-14 dating tends not to be very accurate with a specimen as old as Lucy. There are new dating techniques being experimented with all the time in this branch of research, like the 40Ar/39Ar (Argon-Argon) dating technique, but in general, scientists have used paleomagnetic studies to try to date fossil remains as old as Lucy's.  

You might be interested in
What order is correctly listed for the economic spectrum?
navik [9.2K]

dont copy this name and post on yt subscribes to iwppsubscribes to iwpp

4 0
3 years ago
Volcanic activity can lead to rapid cooling of earth's climate because of ______.
Romashka-Z-Leto [24]

Answer:Periods of Earth's history with extensive sea ice result in enhanced albedo

Explanation:

8 0
2 years ago
If Wegener showed you this evidence, would you have believed his theory? Explain?
fenix001 [56]

Answer:

No

Explanation:Because But geologists soundly denounced Wegener's theory of continental drift after he published the details in a 1915 book called "The Origin of Continents and Oceans." Part of the opposition was because Wegener didn't have a good model to explain how the continents moved apart

4 0
2 years ago
If a new moon was seen today, in approximately how many days will a full moon be seen?
DaniilM [7]
It takes approximately 30 days.
3 0
3 years ago
The front side of the Correct answers
maxonik [38]

Answer:

Thanks again

Explanation:

:D

3 0
3 years ago
Other questions:
  • Which of these is an example of human phenomena that can be described in spatial terms
    14·1 answer
  • Which of the following statements about Vietnam is true?
    9·1 answer
  • Place the steps on the correct order to describe how tornadoes form
    8·1 answer
  • Who provide information that helps us plan our daily activities
    14·1 answer
  • Each of Earth’s standard time zones covers about
    11·1 answer
  • Several times a year volcanoes erupt along the aleutian island chain in southern alaska. what geologic feature is responsible fo
    9·1 answer
  • The first ancestors of humans showed up about years ago O A. 4.5 billion O B. 65 million O C. 10,000 O D. 1 million SUBMIT​
    11·2 answers
  • Hiii :)))
    15·1 answer
  • How long does it take for Earth to spin on its axis?
    14·2 answers
  • India relies on this technique to increase the production of crops.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!