« previous next »

Author Question: A high 18 oxygen/16 oxygen ratio in the shells of marine animals indicates __________. a. colder ... (Read 106 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jul 10, 2018
A high 18 oxygen/16 oxygen ratio in the shells of marine animals indicates __________.
 
  a. colder temperatures and lower sea levels
  b. higher temperatures and lower sea levels
  c. colder temperatures and higher sea levels
  d. warmer temperatures and higher sea levels

Question 2

Crystalline materials that have been buried in sediments may be chronometrically dated using the __________ method.
 
  a. electron spin resonance
  b. stratigraphic
  c. optically stimulated luminescence
  d. paleomagnetism


strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 10, 2018
Answer to Question 1

Correct Answer: a

Answer to Question 2

Correct Answer: c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
A conventional zirconia oxygen sensor can only reset to exhaust mixtures that are richer or leaner ... A conventional zirconia oxygen sensor can only reset to exhaust mixtures that are richer or leaner ...
Oxygen-binding curve for myoglobin Oxygen-binding curve for myoglobin
GDP per Capita in the United States, 1870–2009 (Ratio Scale) GDP per Capita in the United States, 1870–2009 (Ratio Scale)
Mechanisms of Dosage Compensation in Animals Mechanisms of Dosage Compensation in Animals
Video: Lipid catabolism ( ketogenesis and oxidation of glycerol) and Lipid anabolism (lipogenesis)

For a complete list of videos, visit our video library