Conventional Farming Creates Problems for the Environment

Conventional farming creates problems for the environment.An international team of experts proposed some steps to help solve such problems,including

A) reducing food waste by better menu planning.
B) finding ways to increase food production without relying on biotechnological advances in agriculture.
C) eliminating chemical means of pest management,because such methods harm the environment and human health.
D) increasing the production of grain-fed beef and dairy foods.