Which of the following items is an example of a sustainable agriculture practice? a. subsistence farming on a fragile ecosystemb. large-scale cattle farmingc. slash-and-burn farmingd. terracing and gradual composting

The answer is D.
Farming on a fragile ecosystem will deprive resources. Slash and burn farming does the same. Large scale cattle farming does too much harm. Composting helps reuse the environments resources.

Although this may be the opposite of what you think i will say it anyway. you were brought into this world for a reason and you still have soo much ahead of you. not everybody has an opportunity of living a great life, but it doesn’t give you a reason to end everything. somebody in the world loves you, and imagine what you would do to them if you left forever.