2019 Environment - Soil Erosion, Climate Change

On the basis of the above passage, the following assumptions have been made :1. Large scale soil erosion is a major reason for widespread food insecurity in the world.2. Soil erosion is mainly anthropogenic.3. Sustainable management of soils helps in combating climate change.Which of the above assumptions is/are valid?

• 1 and 2 only
• 3 only
• 2 and 3 only
• 1, 2 and 3