« previous next »

Author Question: Which of the following statements about Earth of 56 million years ago is correct? A) Climate ... (Read 52 times)

xroflmao

  • Hero Member
  • *****
  • Posts: 515
on: Aug 22, 2018
Which of the following statements about Earth of 56 million years ago is correct?
 
  A) Climate change was triggered by a huge release of volcanic ash.
  B) It was marked by the extinction of many marine species.
  C) Ocean surface waters were enriched in dissolved oxygen.
  D) The climate was much colder than it is today.
  E) There was a decrease in ocean temperatures.

Question 2

Which of the following human-generated gases absorbs the least infrared radiation per molecule?
 
  A) Carbon dioxide (CO2)
  B) Chlorofluorocarbons (CFCs)
  C) Methane (CH4)
  D) Nitrous oxide (N2O)
  E) Water vapor


Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Aug 22, 2018
Answer to Question 1

B

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 familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Schematic of the Earth–Moon system (without a consistent scale) Schematic of the Earth–Moon system (without a consistent scale)
Saturn as Seen from Earth Saturn as Seen from Earth
Solar EM Radiation Penetration into Earth's Atmosphere Solar EM Radiation Penetration into Earth's Atmosphere
School age (late childhood): 6–12 years, or to puberty. School age (late childhood): 6–12 years, or to puberty.
Older people who experienced stressful events in their younger years may show personal growth and ... Older people who experienced stressful events in their younger years may show personal growth and ...
Climate Change: Volcanoes Climate Change: Volcanoes
Video: Decubitus Ulcer

For a complete list of videos, visit our video library