« previous next »

Author Question: What event triggered the dramatic increase in atmospheric carbon dioxide concentration seen over the ... (Read 27 times)

washai

  • Hero Member
  • *****
  • Posts: 523
on: Jul 27, 2018
What event triggered the dramatic increase in atmospheric carbon dioxide concentration seen over the last couple of centuries?
 
  A) the invention of CFCs
  B) the invention of the automobile
  C) the Tunguska meteoric impact
  D) the volcanic eruption in Iceland in 1783
  E) the Industrial Revolution

Question 2

Which statement about the first quarter moon is FALSE?
 
  A) It rises about noon.
  B) From the Earth, it appears 25 sunlit.
  C) It is the half moon of the evening sky.
  D) It is highest in the sky at sunset.
  E) It occurs about a week after new moon.


Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Models for the electron orbitals and energy shells of carbon Models for the electron orbitals and energy shells of carbon
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
A Possible Problem with the Anger and Concentration Experiment A Possible Problem with the Anger and Concentration Experiment
Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ... Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ...
Increase in Obesity among U.S. Children and Adolescents Increase in Obesity among U.S. Children and Adolescents
In the reaction C(s) + O2(g) CO2(g) carbon is __________. In the reaction C(s) + O2(g) CO2(g) carbon is __________.
Video: EpiPen Animation (Part 1)

For a complete list of videos, visit our video library