According to Zelikova (2021), what are the 3 simple things we can do to sustainably manage soils in the face of climate change?

A) Implementing crop rotation, reducing tillage, and increasing organic matter content in the soil.
B) Enhancing irrigation practices, applying chemical fertilizers, and using genetically modified crops.
C) Promoting monoculture farming, using synthetic pesticides, and expanding urban development.
D) Increasing deforestation, practicing land degradation, and relying solely on industrial agriculture.