Question:

What is a weed killer??

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this is 4 a science project

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  1. weed is an unwated plant.

    say if you are growing wheat and along with it some other plants also grow that would be a weed.

    Weed killer is anything (a chemical may be) that kills a weed.


  2. Cops :D

  3. A chemical that kills plants - usually by disrupting a key metabolic pathway to prevent them from doing something like taking up water or performing photosynthesis.

  4. Fisrtly define a "weed"

    A weed is any plant that is growing somewhere that is is not wanted!

    A weed killer is a substance that kills weeds, herbicide.

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