This topic contains a solution. Click here to go to the answer

Author Question: How do we know that chlorine caused the ozone hole? A) From measurements of the relationship ... (Read 14 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
How do we know that chlorine caused the ozone hole?
 
  A) From measurements of the relationship between the experimental release of chlorine from the land surface in Antarctica, and the depletion of ozone that appeared in the atmosphere a few days later.
  B) From laboratory experiments involving a replica of the atmosphere over Antarctica.
  C) From the relationship between the release of chlorine by the Pinatubo volcano and the depletion of ozone over Antarctica a few months later.
  D) From theories of the chemical destruction of ozone, coupled with computer calculations.
  E) From measurements of chlorine monoxide and ozone in the Antarctic atmosphere as the sun reappeared in the spring.

Question 2

Planet A has twice the mass of Planet B. From this information, what can we conclude about the escape speed for Planet A compared to that of Planet B?
 
  A) The escape speed for Planet A must be twice as great as the escape speed from Planet B.
  B) The escape speed for Planet A must be four times as great as the escape speed from Planet B.
  C) The escape speed for Planet A is the same as the escape speed from Planet B.
  D) The escape speed for Planet A is greater than the escape speed from Planet B, but we cannot say how much greater.
  E) We cannot conclude anything about the escape speed for Planet A without knowing the radii of the two planets.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

E

Answer to Question 2

E




amanda_14

  • Sr. Member
  • ****
  • Posts: 342

 

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

For a complete list of videos, visit our video library