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
balu736 [363]
3 years ago
8

What method would be the best choice for a climatologist to find out what the ocean temperatures were like during the Pleistocen

e ice ages 30 million years ago?
A. Analyze the tree rings of petrified wood from the Pleistocene.

B. Analyze alkenones molecules of phytoplankton in rocks of that period.

C. Analyze ice core samples from pleistocene glaciers.

D. Analyze O-18 ratios from Antarctic glaciers.
Biology
1 answer:
lyudmila [28]3 years ago
6 0

Answer:

b

Explanation:

Alkenone molecules from phytoplankton are robust enough to survive the effects of weathering and chemical breakdown for 110 million years. Rock layers yield chemical traces of these ancient organisms. Their chemical composition indicates ancient water temperatures.

You might be interested in
What is the answer to number one
madreJ [45]

the correct answer is a

5 0
3 years ago
Read 2 more answers
Question 3 , 4 , 5 , 6 and 7 <br> - 50 points ! and will mark u brainly <br> need help ASAP !
Kipish [7]

Answer:

READ EXPLANATION

Explanation:

3 - B

4 - D

5 - A

6 - C (?)

7 - D

3 0
3 years ago
Which population would be the most likely to survive major changes in its environment?
Vilka [71]
An established population that is accustomed to change.
7 0
3 years ago
An athlete who uses blood from another person for blood doping runs the risk of contracting a blood-borne disease because
Veronika [31]
Pathogens can exist in blood and then can be passed the transfusions
6 0
3 years ago
Read 2 more answers
What are the like terms in the expression: 2a + 3b+ 4C - 5a + 8 - 4
irakobra [83]

Answer:

2a and -5a

8 and -4

hahahah they are separate from each other

2a and -5a simplifies to -3a

8 and -4 simplifies to 4

Explanation:

hope this helps!

5 0
3 years ago
Other questions:
  • Is a gel-like substance enclosed by the cell membrane that contains the cell's organelles
    15·2 answers
  • Natural selection acts on a variation of populations of living things usually through a specific trait which statement must be t
    11·2 answers
  • What is it called when the effect of one independent variable depends on the level of another independent variable?
    5·1 answer
  • The defined geographic area in which organisms are dependent on each other and interact is called an...
    13·1 answer
  • Name the sensory receptors for the eyes,ears,and nose
    5·1 answer
  • How Many genders Are there?
    9·1 answer
  • D correct idk ???????
    10·1 answer
  • A new compound forms permanent crosslinks between the two strands of DNA in a chromosome. How can it function in chemotherapy ag
    10·1 answer
  • The cardiovascular system consists of the heart, blood vessels, and the approximately 5 liters of blood that the blood vessels t
    10·1 answer
  • Which of these can affect the results of biometrics systems, according to "the biometric body"? a. Aging b. Blinking c. Thinking
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!