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Forest decline, like this, is a new phenomenon that is directly related to the activities of man on earth. high altitude defoliation is common in the eastern united states, europe, and japan due to the effects of
a.drought.
b.acidic clouds.
c.global warming.
d.ozone depletion.

Respuesta :

B. acidic clouds
Explanation: High altitude defoliation of evergreen trees is attributed to the presence of acidic clouds. The acidic cloud mist causes calcium leeching which in turn causes freezing damage in current needle growth. Simply put, the new needles die.
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Answer:

B

Explanation:

High altitude defoliation of evergreen trees is attributed to the presence of acidic clouds. The acidic cloud mist causes calcium leeching which in turn causes freezing damage in current needle growth. Simply put, the new needles die.