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
A forest was cleared for the building of a resort, but before construction began, secondary succession set in. Which of these de
Readme [11.4K]

Answer:

D) the soil components remained for plants to grow.

Explanation:

The soil components that is remained after the removal of the forest provides a nutritive medium for the faster growth of plants. The faster rate of secondary secession occurs due to the presence of nutrients in the soil which ultimately increases the growth of the plants. The soil components has roots, seeds and other biotic organisms of the previous plants that is decomposed by the decomposers and provides nutrients to the plants.

8 0
3 years ago
Why is "Which of the Great Lakes is the largest body of water?" a good scientific question
amm1812

It can be answered through an investigation.

Explanation:

The question ''Which of the Great Lakes is the largest body of water'' is a good scientific question because it is a question that can be answered through investigation. To answer this question, a scientist, or a person that has it as an interest simply needs to go on terrain and do the research, or can simply acquire data that is already collected. Through it, it can be determined which of the Great Lakes is the largest body of water, which is the second largest etc.

The five Great Lakes are:

  • Lake Superior
  • Lake Hudson
  • Lake Michigan
  • Lake Erie
  • Lake Ontario

There are five lakes that consist the Great Lakes, and all of them have formed in the same period and through the same process. The lakes all have glacial origin, and all of them have formed when the last Ice Age ended. The largest of the Great Lakes is Lake Superior, while the smallest is Lake Ontario.

Learn more about Lake Superior brainly.com/question/10888882

#learnwithBrainly

5 0
3 years ago
Read 2 more answers
How do energetic considerations affect the structure of populations? communities? ecosystems?
alexandr402 [8]
<span>10% rule (efficiency between trophic levels): limits how long an ecosystem's food chain can be
Predator/prey cost benefit analysis (i.e. foraging) -- cost is risk of being eaten or killed along the way, benefit is energy/nourishment obtained: limits distribution of predator v. prey
Immigration/Emigration with other populations and ecosystems
Island biogeography: size of land and distance from another population/ecosystem (mainland): limits population size and variability on island</span>
3 0
3 years ago
What are guard cells?
tia_tia [17]
They are part of the stomatal can be found in the skin of the leaf and stem. Guard cells have characteristic shapes can be bean-shaped or like sponge cake. They have thickened cell walls contain living protoplasm of chloroplasts (as opposed to skin cells)
7 0
4 years ago
when a piece of zucchini is soaked in salt water, the zucchini loses its firmness. Which process best explains what happens to t
Semmy [17]

Explanation:

The zucchini is breaking down which we already know bit the zuchinni is absorbing and breaking down at the same time so when that happens the cells are expanding and breaking

think of a water balloon

4 0
3 years ago
Other questions:
  • Single-celled organisms are able to maintain internal stability because they :
    11·1 answer
  • What is the term of ecological relationship?
    13·1 answer
  • According to Darwin’s theory of natural selection, individuals who survive are the ones best adapted for their environment. Thei
    13·2 answers
  • The least amount of vertical change during the monthly tidal cycle occurs
    15·1 answer
  • CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION THANK YOU:)
    12·1 answer
  • 7 point
    13·1 answer
  • The price of a book is thrice that of an exercise book. of a student spend #9600 on book and #8000 on exercise book, he has 56 i
    7·1 answer
  • based on the information in both texts , what is the differnce between the butterfly and frog life cycle ? PLEASE ANSWER !
    9·1 answer
  • Which stable element is used to determine the age of volcanic rock? argon O carbon-14 O O potassium carbon-12 Which stable eleme
    10·1 answer
  • What does meteorologist study
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!