Question

how can foreign plants be harmful for us?​

Answer 1

Answer:

Invasive plant species have an impact on the diversity of local species, they affect water availability and damage the quality of soil nutrients. ... They can also inflict big changes on native vegetation, altering the frequency of fires, nutrient cycling, water availability and soil erosion.

Explanation:

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Answer 2

Most people would agree that invasive plants are unwanted. ... Invasive plant species have an impact on the diversity of local species, they affect water availability and damage the quality of soil nutrients. Once an alien plant has invaded a habitat, it changes the conditions of that environment.