Multiple Choice
What is the term for the fragile, invisible layer of the atmosphere about 10 to 30 miles above the earth's surface that shields the planet from the sun's hazardous ultraviolet rays?
A) the fossil layer
B) the greenhouse shield
C) the VOC
D) the ozone layer
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Gamma rays produced by radioactive sources such
Q4: For the first time in history, there
Q5: Radioactive waste from nuclear power plants is
Q6: Which substance is a major indoor air
Q7: The implementation of regular garbage collection, sewage
Q9: Describe steps you can take to reduce
Q10: Describe various methods for reducing solid waste.
Q11: Which suggestion could help reduce air pollution?<br>A)
Q12: What causes most of the stress humans
Q13: The greenhouse effect is an increase in