Question

9. Give an example for a plant that causes pollen allergy​

Answer 1

Explanation:

Grasses are the most common cause of allergy. Ragweed is a main cause of weed allergies. Other common sources of weed pollen include sagebrush, pigweed, lamb's quarters and tumbleweed. Certain species of trees, including birch, cedar and oak, also produce highly allergenic pollen.

Answer 2

Explanation:

Grasses is the most common cause of allergy Ragweed is a main causes of weed allergy .other common source of weed pollen includes sagebrush , pigweed , lambs quarters and tumbleweed certain species of tree including birch , cedar and oak also produce allergic pollen......

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