« previous next »

Author Question: What is NOT a valid proxy measure for past climates? A. trends in human population B. ... (Read 73 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
on: Jul 13, 2018
What is NOT a valid proxy measure for past climates?
 
  A. trends in human population
  B. oxygen-isotope ratios
  C. dendrochronology
  D. paleoclimatology
  E. fossilized pollen and coral

Question 2

Which time scale of climate record observations shows a global cooling trend?
 
  A. last 70 million years
  B. last 150,000 years
  C. last 1000 years
  D. last 150 years
  E. none of these


joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 13, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Human Skin Human Skin
Human Heart Human Heart
Cross Section of the Human Brain Cross Section of the Human Brain
Poverty and population growth Poverty and population growth
Psychologists measure basic memory capacity Psychologists measure basic memory capacity
HIV in population worldwide HIV in population worldwide
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library