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book Plants and Society 7th Edition by Estelle Levetin ,Karen McMahon cover

Plants and Society 7th Edition by Estelle Levetin ,Karen McMahon

Edition 7ISBN: 978-0078023033
book Plants and Society 7th Edition by Estelle Levetin ,Karen McMahon cover

Plants and Society 7th Edition by Estelle Levetin ,Karen McMahon

Edition 7ISBN: 978-0078023033
Exercise 2
Exposure to allergenic pollen is highest near the source. Hay fever sufferers who have allergenic plants in their yards may be especially aware of the effects of pollen.
If you suffer from hay fever and are allergic to several types of spring tree pollen, what type of landscaping can you have in your yard to keep symptoms to a minimum Prepare a list of these trees suitable for your area.
Explanation
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Plants and Society 7th Edition by Estelle Levetin ,Karen McMahon
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