Multiple Choice
In 1985,scientists discovered a region with an abnormally low concentration of ozone over
A) China.
B) Antarctica.
C) the United States.
D) England.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q1: Ozone is very efficient at<br>A) reflecting radio
Q2: Billions of years ago,Earth's atmosphere was composed
Q4: Because of seafloor spreading,South America and Africa
Q5: The average density of Earth's core is<br>A)
Q6: Earth's magnetic field is caused by<br>A) electric
Q7: What are the three main classifications of
Q8: What is the greenhouse effect and what
Q9: What evidence suggests that all of the
Q10: The average density of Earth's surface is<br>A)
Q11: Where is the mantle of Earth located?<br>A)