Key Stage 3
Meaning
A herbicide is a chemical sprayed on crops to kill weeds.
Key Stage 4
Meaning
A herbicide is a chemical sprayed on crops to kill weeds.
References
AQA
- Herbicide, pages 302-3, 305, 359, GCSE Biology; Student Book, Collins, AQA
- Herbicides, pages 94-95, 268, 300-303, GCSE Biology; Third Edition, Oxford University Press, AQA