Answer:
The main reasons behind the decreased in food supply and production are the human activities that harm the environment. Deforestation, illegal logging, and quarrying make the topsoil and nutrients for plants carried away by the wind and water.
Due to soil erosion, the people and society's economic status were affected. Once the topsoil is gone, it will eventually unfit for vegetation and would mean less agricultural food production.This can affect humans and animals since plants are their main source of food and nutrients.
In the past, food production in the country was very abundant Human activities such as deforestation, illegal logging, and quarrying have meant that this situation has been changed and at present lack of food supply is experienced.
In conclusion, these human activities had brought some adverse effects to the people and environment. This must be given an immediate response to ensure food supply. The challenged is in our hands.