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 63 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?

Medication errors are three times higher among children and infants than with adults.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

For a complete list of videos, visit our video library