Why are chemical fertilisers used in food production?
- Ato reduce the use of herbicides: yes; to increase crop yields: yes; to reduce competition between crops and weeds: yes
- Bto reduce the use of herbicides: no; to increase crop yields: yes; to reduce competition between crops and weeds: no
- Cto reduce the use of herbicides: yes; to increase crop yields: no; to reduce competition between crops and weeds: no
- Dto reduce the use of herbicides: no; to increase crop yields: no; to reduce competition between crops and weeds: yes