Global Climate Change Is Caused by ____ and Other Greenhouse

Q11: Natural or man-made substances released into soil,

Q12: Explain how the ozone layer benefits living

Q13: What are the major effects of deforestation?

Q14: Near the ground, where ozone levels are

Q15: Precipitation is generally most acidic in which

Q17: A species that faces extinction in all

Q18: Match the term with the appropriate description.

Q19: Four of these five choices are global

Q20: Places that are home to species found

Q21: There is an ozone "hole" over _.<br>A)the