Author Question: How is it possible to reconstruct past climates when no records were available? What will be an ... (Read 25 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
How is it possible to reconstruct past climates when no records were available?
 
  What will be an ideal response?

Question 2

What are proxy indicators?
 
  What will be an ideal response?



ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

Answer: Past climatic conditions leave clues in the oceans, glaciers, geological records and in biological records. Scientists use many different methods to reconstruct past climates.

Answer to Question 2

Answer: Scientists gain insight into past climates based on information left in the geological and biological records through what are called proxy indicators.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library