In order to increase the overall yield, we almost totally neglected the use of compost and switched to chemical fertilizers. Which of the following shows us the adverse affect of the same?

Both 1 and 2

The correct answer is Option 4: Both 1 and 2

Explanation: The excessive use of chemical fertilizers while neglecting compost can lead to a decline in land productivity over time due to soil degradation, and it can also cause contamination of groundwater due to the leaching of harmful chemicals. Both of these effects are adverse consequences of over-reliance on chemical fertilizers.